Can multiple Bags of Holding banish Tiamat?











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In my campaign, my players were very close to accidentally freeing Tiamat from her prison in the Nine Hells (long story). However, they ended up averting disaster and not summoning her.



However, should they have summoned her, my players had a plan which they told me about afterwards. If Tiamat were to ever appear, they planned to place a Bag of Holding next to her, and then use Mage Hand to place another one inside of it, causing this effect:




Placing a bag of holding inside an extradimensional space created by a Handy Haversack, Portable Hole, or similar item instantly destroys both items and opens a gate to the Astral Plane. The gate originates where the one item was placed inside the other. Any creature within 10 feet of the gate is sucked through it to a random location on the Astral Plane. The gate then closes. The gate is one-way only and can't be reopened.




Now, setting aside the difficulty of actually getting that close to Tiamat in the first place, is this something that would actually work? I'm inclined to believe not, since:




  • Tiamat is enormous, and would not be fully within the 10 ft radius of the gate created.

  • On her stat block from Rise of Tiamat, she has Limited Magic Immunity to spells level 6 and under. Since a Bag of Holding is an uncommon magic item, it would make sense to be immune to this effect as well.

  • She's a minor deity, so she gets a pass on things like this.


Despite these points, I can't actually find anything definitively within RAW that supports my claims. Is it possible to send Tiamat to the Astral Plane using this strategy?










share|improve this question


















  • 4




    There is actually a pseudo-homebrew weapon based on this mechanic. Do a Google search for "Arrowhead of Total Destruction" :P
    – Rykara
    Nov 29 at 19:05






  • 1




    Was going to mention said arrow design... Party doesn't need to get close, just within bow range...
    – Rozwel
    Nov 29 at 19:26






  • 2




    Did they have some way around the weight limits? There's no way a 10 pound max mage hand can carry a 15 pound bag of holding. And besides, mage hands are non-migratory. Although I suppose if you could tie a bag to two mage hands...
    – Ethan
    Nov 30 at 21:30






  • 2




    Where did the knowledge come from that such a thing was possible? Did the characters actually research this prior to the event, or try it for themselves with two bags of holding? For instance, in one of my GM sessions, a PC mage was talking to a bunch of dwarfs who showed him a barrel of black powder. The PC said to me: "Take some powder and hold a lit splint to it.". I replied: "But you wouldn't know that this is any form of blasting powder - you've never seen it before."
    – Paul
    Dec 1 at 12:56















up vote
40
down vote

favorite
1












In my campaign, my players were very close to accidentally freeing Tiamat from her prison in the Nine Hells (long story). However, they ended up averting disaster and not summoning her.



However, should they have summoned her, my players had a plan which they told me about afterwards. If Tiamat were to ever appear, they planned to place a Bag of Holding next to her, and then use Mage Hand to place another one inside of it, causing this effect:




Placing a bag of holding inside an extradimensional space created by a Handy Haversack, Portable Hole, or similar item instantly destroys both items and opens a gate to the Astral Plane. The gate originates where the one item was placed inside the other. Any creature within 10 feet of the gate is sucked through it to a random location on the Astral Plane. The gate then closes. The gate is one-way only and can't be reopened.




Now, setting aside the difficulty of actually getting that close to Tiamat in the first place, is this something that would actually work? I'm inclined to believe not, since:




  • Tiamat is enormous, and would not be fully within the 10 ft radius of the gate created.

  • On her stat block from Rise of Tiamat, she has Limited Magic Immunity to spells level 6 and under. Since a Bag of Holding is an uncommon magic item, it would make sense to be immune to this effect as well.

  • She's a minor deity, so she gets a pass on things like this.


Despite these points, I can't actually find anything definitively within RAW that supports my claims. Is it possible to send Tiamat to the Astral Plane using this strategy?










share|improve this question


















  • 4




    There is actually a pseudo-homebrew weapon based on this mechanic. Do a Google search for "Arrowhead of Total Destruction" :P
    – Rykara
    Nov 29 at 19:05






  • 1




    Was going to mention said arrow design... Party doesn't need to get close, just within bow range...
    – Rozwel
    Nov 29 at 19:26






  • 2




    Did they have some way around the weight limits? There's no way a 10 pound max mage hand can carry a 15 pound bag of holding. And besides, mage hands are non-migratory. Although I suppose if you could tie a bag to two mage hands...
    – Ethan
    Nov 30 at 21:30






  • 2




    Where did the knowledge come from that such a thing was possible? Did the characters actually research this prior to the event, or try it for themselves with two bags of holding? For instance, in one of my GM sessions, a PC mage was talking to a bunch of dwarfs who showed him a barrel of black powder. The PC said to me: "Take some powder and hold a lit splint to it.". I replied: "But you wouldn't know that this is any form of blasting powder - you've never seen it before."
    – Paul
    Dec 1 at 12:56













up vote
40
down vote

favorite
1









up vote
40
down vote

favorite
1






1





In my campaign, my players were very close to accidentally freeing Tiamat from her prison in the Nine Hells (long story). However, they ended up averting disaster and not summoning her.



However, should they have summoned her, my players had a plan which they told me about afterwards. If Tiamat were to ever appear, they planned to place a Bag of Holding next to her, and then use Mage Hand to place another one inside of it, causing this effect:




Placing a bag of holding inside an extradimensional space created by a Handy Haversack, Portable Hole, or similar item instantly destroys both items and opens a gate to the Astral Plane. The gate originates where the one item was placed inside the other. Any creature within 10 feet of the gate is sucked through it to a random location on the Astral Plane. The gate then closes. The gate is one-way only and can't be reopened.




Now, setting aside the difficulty of actually getting that close to Tiamat in the first place, is this something that would actually work? I'm inclined to believe not, since:




  • Tiamat is enormous, and would not be fully within the 10 ft radius of the gate created.

  • On her stat block from Rise of Tiamat, she has Limited Magic Immunity to spells level 6 and under. Since a Bag of Holding is an uncommon magic item, it would make sense to be immune to this effect as well.

  • She's a minor deity, so she gets a pass on things like this.


Despite these points, I can't actually find anything definitively within RAW that supports my claims. Is it possible to send Tiamat to the Astral Plane using this strategy?










share|improve this question













In my campaign, my players were very close to accidentally freeing Tiamat from her prison in the Nine Hells (long story). However, they ended up averting disaster and not summoning her.



However, should they have summoned her, my players had a plan which they told me about afterwards. If Tiamat were to ever appear, they planned to place a Bag of Holding next to her, and then use Mage Hand to place another one inside of it, causing this effect:




Placing a bag of holding inside an extradimensional space created by a Handy Haversack, Portable Hole, or similar item instantly destroys both items and opens a gate to the Astral Plane. The gate originates where the one item was placed inside the other. Any creature within 10 feet of the gate is sucked through it to a random location on the Astral Plane. The gate then closes. The gate is one-way only and can't be reopened.




Now, setting aside the difficulty of actually getting that close to Tiamat in the first place, is this something that would actually work? I'm inclined to believe not, since:




  • Tiamat is enormous, and would not be fully within the 10 ft radius of the gate created.

  • On her stat block from Rise of Tiamat, she has Limited Magic Immunity to spells level 6 and under. Since a Bag of Holding is an uncommon magic item, it would make sense to be immune to this effect as well.

  • She's a minor deity, so she gets a pass on things like this.


Despite these points, I can't actually find anything definitively within RAW that supports my claims. Is it possible to send Tiamat to the Astral Plane using this strategy?







dnd-5e magic-items






share|improve this question













share|improve this question











share|improve this question




share|improve this question










asked Nov 29 at 16:32









Chrygore

43528




43528








  • 4




    There is actually a pseudo-homebrew weapon based on this mechanic. Do a Google search for "Arrowhead of Total Destruction" :P
    – Rykara
    Nov 29 at 19:05






  • 1




    Was going to mention said arrow design... Party doesn't need to get close, just within bow range...
    – Rozwel
    Nov 29 at 19:26






  • 2




    Did they have some way around the weight limits? There's no way a 10 pound max mage hand can carry a 15 pound bag of holding. And besides, mage hands are non-migratory. Although I suppose if you could tie a bag to two mage hands...
    – Ethan
    Nov 30 at 21:30






  • 2




    Where did the knowledge come from that such a thing was possible? Did the characters actually research this prior to the event, or try it for themselves with two bags of holding? For instance, in one of my GM sessions, a PC mage was talking to a bunch of dwarfs who showed him a barrel of black powder. The PC said to me: "Take some powder and hold a lit splint to it.". I replied: "But you wouldn't know that this is any form of blasting powder - you've never seen it before."
    – Paul
    Dec 1 at 12:56














  • 4




    There is actually a pseudo-homebrew weapon based on this mechanic. Do a Google search for "Arrowhead of Total Destruction" :P
    – Rykara
    Nov 29 at 19:05






  • 1




    Was going to mention said arrow design... Party doesn't need to get close, just within bow range...
    – Rozwel
    Nov 29 at 19:26






  • 2




    Did they have some way around the weight limits? There's no way a 10 pound max mage hand can carry a 15 pound bag of holding. And besides, mage hands are non-migratory. Although I suppose if you could tie a bag to two mage hands...
    – Ethan
    Nov 30 at 21:30






  • 2




    Where did the knowledge come from that such a thing was possible? Did the characters actually research this prior to the event, or try it for themselves with two bags of holding? For instance, in one of my GM sessions, a PC mage was talking to a bunch of dwarfs who showed him a barrel of black powder. The PC said to me: "Take some powder and hold a lit splint to it.". I replied: "But you wouldn't know that this is any form of blasting powder - you've never seen it before."
    – Paul
    Dec 1 at 12:56








4




4




There is actually a pseudo-homebrew weapon based on this mechanic. Do a Google search for "Arrowhead of Total Destruction" :P
– Rykara
Nov 29 at 19:05




There is actually a pseudo-homebrew weapon based on this mechanic. Do a Google search for "Arrowhead of Total Destruction" :P
– Rykara
Nov 29 at 19:05




1




1




Was going to mention said arrow design... Party doesn't need to get close, just within bow range...
– Rozwel
Nov 29 at 19:26




Was going to mention said arrow design... Party doesn't need to get close, just within bow range...
– Rozwel
Nov 29 at 19:26




2




2




Did they have some way around the weight limits? There's no way a 10 pound max mage hand can carry a 15 pound bag of holding. And besides, mage hands are non-migratory. Although I suppose if you could tie a bag to two mage hands...
– Ethan
Nov 30 at 21:30




Did they have some way around the weight limits? There's no way a 10 pound max mage hand can carry a 15 pound bag of holding. And besides, mage hands are non-migratory. Although I suppose if you could tie a bag to two mage hands...
– Ethan
Nov 30 at 21:30




2




2




Where did the knowledge come from that such a thing was possible? Did the characters actually research this prior to the event, or try it for themselves with two bags of holding? For instance, in one of my GM sessions, a PC mage was talking to a bunch of dwarfs who showed him a barrel of black powder. The PC said to me: "Take some powder and hold a lit splint to it.". I replied: "But you wouldn't know that this is any form of blasting powder - you've never seen it before."
– Paul
Dec 1 at 12:56




Where did the knowledge come from that such a thing was possible? Did the characters actually research this prior to the event, or try it for themselves with two bags of holding? For instance, in one of my GM sessions, a PC mage was talking to a bunch of dwarfs who showed him a barrel of black powder. The PC said to me: "Take some powder and hold a lit splint to it.". I replied: "But you wouldn't know that this is any form of blasting powder - you've never seen it before."
– Paul
Dec 1 at 12:56










3 Answers
3






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up vote
51
down vote



accepted










Firstly, the plan as described has one fatal flaw: Mage Hand's weigh limit is 10 pounds while a Bag of Holding weighs 15 pounds. Assuming they use still manage to use the astral tear...



RAW, there's no reason it wouldn't work




Tiamat is enormous, and would not be fully within the 10 ft radius of the gate created.




RAW typically consider a creature to be affected by effects that overlap with it despite them not engulfing the creature fully. Eg. a fireball deals full damage even if it touches just the corner tile of a gargantuan creature.




On her stat block from Rise of Tiamat, she has Limited Magic Immunity to spells level 6 and under. Since a Bag of Holding is an uncommon magic item, it would make sense to be immune to this effect as well.




The Astral Tear is not a spell, so spell immunity doesn't help against it.




She's a minor deity, so she gets a pass on things like this.




She doesn't have such protection by the rules, although it's a sensible house ruling. I'm not sure if I would enforce it myself. However...



Tiamat could probably escape quite fast



Tiamat herself lacks any ability to shift through planes, but her raw power is still enough to make her an apex predator in the Astral plane. Her extremely high Intelligence score also allows her to move faster than most creatures in there. It probably wouldn't take her long to find a creature who knows their way around the Astral Plane and the planar gateways and gently persuade said creature to allow Tiamat back from the Astral Plane. Given the potential utility of befriending a god, I wouldn't be surprised if such a creature even sought her out!



It could well be a matter of days, perhaps weeks, but assuming the party can't find a new pair of Bags of Holding by then, they'll be facing one angry Dragon Goddess once she makes her way back...






share|improve this answer



















  • 5




    assuming the party can't find a new pair of Bags of Holding by then and even if they do, I don't think she's going to fall for the same trick twice!
    – Michael
    Nov 29 at 20:06








  • 32




    ...though a running gag of repeatedly banishing an increasingly irate Tiamat to the Astral Plane via the Bag Of Holding trick could be hilarious for the right sort of campaign. "Okay, guys. We have at least three days to get another two bags of holding. anyone have any ideas?" That's a hell of a campaign driver right there.
    – Ben Barden
    Nov 29 at 21:10






  • 8




    @BenBarden but it'd only get shorter, right? The first time might take a week. The second time, 3 days (she is starting to learn her way around, and knows who she is looking for) and she'd only become more and more familiar with it. Also given she falls into a random spot - right next to the creature(s) who gets her out is indeed among the possibilities :P
    – Shadow
    Nov 30 at 0:51






  • 5




    After the third time the PCs would probably be better off by using the bags of holding on themselves... (This whole thing has a "Benny Hill ending" -wibe to it.)
    – DocWeird
    Nov 30 at 8:55








  • 1




    At that point, it really depends on how much of a farce your game world is. Once you've hit her with the trick for the second or third time, you're already outside the bounds of anything that could reasonably pretend to be simulationist.
    – Ben Barden
    Nov 30 at 14:02


















up vote
18
down vote













It should work. For a while.



You raised the main issues.




  • On the size issue. Tiamat doesn't fit fully within 10'. This would be a DM call, though arguably, in the normal context of English, a creature that has any part of it within 10' IS within 10'.

  • This banishing effect of the bag of holding is not a spell. Only a feature that says it is a spell is a spell (as confirmed by Mr. Crawford here). So the Limited Magic Immunity to spells feature would not help.

  • She is a minor deity. Again, whether this has any effect would be up to the DM, as there are no specific rules for a "creature type" of minor deity! If you are using an official set of stats from somewhere, then Tiamat (or her avatar) would be immune only if the stats say so. Otherwise, if home-brewed, it would be up to the DM.


Personally, assuming standard stats, I see no reason why this wouldn't work. The only caveat is that Tiamat is only stuck in the Nine Hells by divine purview (according to most backgrounds). If released then she would presumably be no more restricted than any other deity/avatar.



In other words - it might work. But there would be nothing stopped Her from returning from the Astral Plane looking for whoever did it. And She's gonna be ANGRY (-er)!






share|improve this answer






























    up vote
    10
    down vote













    Yes, but They could not complete this using Mage Hand.
    Mage hand has a 10lb limit, and a Bag of Holding weighs 15 pounds.






    share|improve this answer

















    • 1




      This answer could be greatly improved if you expanded the yes into actually explaining why/how it's possible as well.
      – Purple Monkey
      Nov 29 at 21:35






    • 2




      @PurpleMonkey I think you need to do a re-read. Ian is saying the plan wouldn't work not because of anything related to if Tiamat can or cannot be sucked into the astral plane as the other answers discuss; but because mage hand can't do what the players had in mind to trigger the attempt.
      – Dan Neely
      Nov 29 at 21:57






    • 8




      @DanNeely I know what Ian is saying and my comment still stands. The question is: "Can multiple Bags of Holding banish Tiamat?/Is it possible to send Tiamat to the Astral Plane using this strategy?". The answer is "yes, but...". If the answer can expand/explain why it is possible except for using Mage Hand then it could improve the answer.
      – Purple Monkey
      Nov 29 at 22:07






    • 2




      Could you decide on "lb" or "pounds" so us non-americanskis don't have to google conversion-rates just to find out it's the same?
      – DonQuiKong
      Nov 30 at 13:54






    • 1




      Do D&D printings change from customary to metric units for international audiences?
      – Alex H.
      Nov 30 at 16:01











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    3 Answers
    3






    active

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    3 Answers
    3






    active

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    active

    oldest

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    active

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    up vote
    51
    down vote



    accepted










    Firstly, the plan as described has one fatal flaw: Mage Hand's weigh limit is 10 pounds while a Bag of Holding weighs 15 pounds. Assuming they use still manage to use the astral tear...



    RAW, there's no reason it wouldn't work




    Tiamat is enormous, and would not be fully within the 10 ft radius of the gate created.




    RAW typically consider a creature to be affected by effects that overlap with it despite them not engulfing the creature fully. Eg. a fireball deals full damage even if it touches just the corner tile of a gargantuan creature.




    On her stat block from Rise of Tiamat, she has Limited Magic Immunity to spells level 6 and under. Since a Bag of Holding is an uncommon magic item, it would make sense to be immune to this effect as well.




    The Astral Tear is not a spell, so spell immunity doesn't help against it.




    She's a minor deity, so she gets a pass on things like this.




    She doesn't have such protection by the rules, although it's a sensible house ruling. I'm not sure if I would enforce it myself. However...



    Tiamat could probably escape quite fast



    Tiamat herself lacks any ability to shift through planes, but her raw power is still enough to make her an apex predator in the Astral plane. Her extremely high Intelligence score also allows her to move faster than most creatures in there. It probably wouldn't take her long to find a creature who knows their way around the Astral Plane and the planar gateways and gently persuade said creature to allow Tiamat back from the Astral Plane. Given the potential utility of befriending a god, I wouldn't be surprised if such a creature even sought her out!



    It could well be a matter of days, perhaps weeks, but assuming the party can't find a new pair of Bags of Holding by then, they'll be facing one angry Dragon Goddess once she makes her way back...






    share|improve this answer



















    • 5




      assuming the party can't find a new pair of Bags of Holding by then and even if they do, I don't think she's going to fall for the same trick twice!
      – Michael
      Nov 29 at 20:06








    • 32




      ...though a running gag of repeatedly banishing an increasingly irate Tiamat to the Astral Plane via the Bag Of Holding trick could be hilarious for the right sort of campaign. "Okay, guys. We have at least three days to get another two bags of holding. anyone have any ideas?" That's a hell of a campaign driver right there.
      – Ben Barden
      Nov 29 at 21:10






    • 8




      @BenBarden but it'd only get shorter, right? The first time might take a week. The second time, 3 days (she is starting to learn her way around, and knows who she is looking for) and she'd only become more and more familiar with it. Also given she falls into a random spot - right next to the creature(s) who gets her out is indeed among the possibilities :P
      – Shadow
      Nov 30 at 0:51






    • 5




      After the third time the PCs would probably be better off by using the bags of holding on themselves... (This whole thing has a "Benny Hill ending" -wibe to it.)
      – DocWeird
      Nov 30 at 8:55








    • 1




      At that point, it really depends on how much of a farce your game world is. Once you've hit her with the trick for the second or third time, you're already outside the bounds of anything that could reasonably pretend to be simulationist.
      – Ben Barden
      Nov 30 at 14:02















    up vote
    51
    down vote



    accepted










    Firstly, the plan as described has one fatal flaw: Mage Hand's weigh limit is 10 pounds while a Bag of Holding weighs 15 pounds. Assuming they use still manage to use the astral tear...



    RAW, there's no reason it wouldn't work




    Tiamat is enormous, and would not be fully within the 10 ft radius of the gate created.




    RAW typically consider a creature to be affected by effects that overlap with it despite them not engulfing the creature fully. Eg. a fireball deals full damage even if it touches just the corner tile of a gargantuan creature.




    On her stat block from Rise of Tiamat, she has Limited Magic Immunity to spells level 6 and under. Since a Bag of Holding is an uncommon magic item, it would make sense to be immune to this effect as well.




    The Astral Tear is not a spell, so spell immunity doesn't help against it.




    She's a minor deity, so she gets a pass on things like this.




    She doesn't have such protection by the rules, although it's a sensible house ruling. I'm not sure if I would enforce it myself. However...



    Tiamat could probably escape quite fast



    Tiamat herself lacks any ability to shift through planes, but her raw power is still enough to make her an apex predator in the Astral plane. Her extremely high Intelligence score also allows her to move faster than most creatures in there. It probably wouldn't take her long to find a creature who knows their way around the Astral Plane and the planar gateways and gently persuade said creature to allow Tiamat back from the Astral Plane. Given the potential utility of befriending a god, I wouldn't be surprised if such a creature even sought her out!



    It could well be a matter of days, perhaps weeks, but assuming the party can't find a new pair of Bags of Holding by then, they'll be facing one angry Dragon Goddess once she makes her way back...






    share|improve this answer



















    • 5




      assuming the party can't find a new pair of Bags of Holding by then and even if they do, I don't think she's going to fall for the same trick twice!
      – Michael
      Nov 29 at 20:06








    • 32




      ...though a running gag of repeatedly banishing an increasingly irate Tiamat to the Astral Plane via the Bag Of Holding trick could be hilarious for the right sort of campaign. "Okay, guys. We have at least three days to get another two bags of holding. anyone have any ideas?" That's a hell of a campaign driver right there.
      – Ben Barden
      Nov 29 at 21:10






    • 8




      @BenBarden but it'd only get shorter, right? The first time might take a week. The second time, 3 days (she is starting to learn her way around, and knows who she is looking for) and she'd only become more and more familiar with it. Also given she falls into a random spot - right next to the creature(s) who gets her out is indeed among the possibilities :P
      – Shadow
      Nov 30 at 0:51






    • 5




      After the third time the PCs would probably be better off by using the bags of holding on themselves... (This whole thing has a "Benny Hill ending" -wibe to it.)
      – DocWeird
      Nov 30 at 8:55








    • 1




      At that point, it really depends on how much of a farce your game world is. Once you've hit her with the trick for the second or third time, you're already outside the bounds of anything that could reasonably pretend to be simulationist.
      – Ben Barden
      Nov 30 at 14:02













    up vote
    51
    down vote



    accepted







    up vote
    51
    down vote



    accepted






    Firstly, the plan as described has one fatal flaw: Mage Hand's weigh limit is 10 pounds while a Bag of Holding weighs 15 pounds. Assuming they use still manage to use the astral tear...



    RAW, there's no reason it wouldn't work




    Tiamat is enormous, and would not be fully within the 10 ft radius of the gate created.




    RAW typically consider a creature to be affected by effects that overlap with it despite them not engulfing the creature fully. Eg. a fireball deals full damage even if it touches just the corner tile of a gargantuan creature.




    On her stat block from Rise of Tiamat, she has Limited Magic Immunity to spells level 6 and under. Since a Bag of Holding is an uncommon magic item, it would make sense to be immune to this effect as well.




    The Astral Tear is not a spell, so spell immunity doesn't help against it.




    She's a minor deity, so she gets a pass on things like this.




    She doesn't have such protection by the rules, although it's a sensible house ruling. I'm not sure if I would enforce it myself. However...



    Tiamat could probably escape quite fast



    Tiamat herself lacks any ability to shift through planes, but her raw power is still enough to make her an apex predator in the Astral plane. Her extremely high Intelligence score also allows her to move faster than most creatures in there. It probably wouldn't take her long to find a creature who knows their way around the Astral Plane and the planar gateways and gently persuade said creature to allow Tiamat back from the Astral Plane. Given the potential utility of befriending a god, I wouldn't be surprised if such a creature even sought her out!



    It could well be a matter of days, perhaps weeks, but assuming the party can't find a new pair of Bags of Holding by then, they'll be facing one angry Dragon Goddess once she makes her way back...






    share|improve this answer














    Firstly, the plan as described has one fatal flaw: Mage Hand's weigh limit is 10 pounds while a Bag of Holding weighs 15 pounds. Assuming they use still manage to use the astral tear...



    RAW, there's no reason it wouldn't work




    Tiamat is enormous, and would not be fully within the 10 ft radius of the gate created.




    RAW typically consider a creature to be affected by effects that overlap with it despite them not engulfing the creature fully. Eg. a fireball deals full damage even if it touches just the corner tile of a gargantuan creature.




    On her stat block from Rise of Tiamat, she has Limited Magic Immunity to spells level 6 and under. Since a Bag of Holding is an uncommon magic item, it would make sense to be immune to this effect as well.




    The Astral Tear is not a spell, so spell immunity doesn't help against it.




    She's a minor deity, so she gets a pass on things like this.




    She doesn't have such protection by the rules, although it's a sensible house ruling. I'm not sure if I would enforce it myself. However...



    Tiamat could probably escape quite fast



    Tiamat herself lacks any ability to shift through planes, but her raw power is still enough to make her an apex predator in the Astral plane. Her extremely high Intelligence score also allows her to move faster than most creatures in there. It probably wouldn't take her long to find a creature who knows their way around the Astral Plane and the planar gateways and gently persuade said creature to allow Tiamat back from the Astral Plane. Given the potential utility of befriending a god, I wouldn't be surprised if such a creature even sought her out!



    It could well be a matter of days, perhaps weeks, but assuming the party can't find a new pair of Bags of Holding by then, they'll be facing one angry Dragon Goddess once she makes her way back...







    share|improve this answer














    share|improve this answer



    share|improve this answer








    edited Dec 1 at 18:45

























    answered Nov 29 at 17:07









    kviiri

    33.2k7126192




    33.2k7126192








    • 5




      assuming the party can't find a new pair of Bags of Holding by then and even if they do, I don't think she's going to fall for the same trick twice!
      – Michael
      Nov 29 at 20:06








    • 32




      ...though a running gag of repeatedly banishing an increasingly irate Tiamat to the Astral Plane via the Bag Of Holding trick could be hilarious for the right sort of campaign. "Okay, guys. We have at least three days to get another two bags of holding. anyone have any ideas?" That's a hell of a campaign driver right there.
      – Ben Barden
      Nov 29 at 21:10






    • 8




      @BenBarden but it'd only get shorter, right? The first time might take a week. The second time, 3 days (she is starting to learn her way around, and knows who she is looking for) and she'd only become more and more familiar with it. Also given she falls into a random spot - right next to the creature(s) who gets her out is indeed among the possibilities :P
      – Shadow
      Nov 30 at 0:51






    • 5




      After the third time the PCs would probably be better off by using the bags of holding on themselves... (This whole thing has a "Benny Hill ending" -wibe to it.)
      – DocWeird
      Nov 30 at 8:55








    • 1




      At that point, it really depends on how much of a farce your game world is. Once you've hit her with the trick for the second or third time, you're already outside the bounds of anything that could reasonably pretend to be simulationist.
      – Ben Barden
      Nov 30 at 14:02














    • 5




      assuming the party can't find a new pair of Bags of Holding by then and even if they do, I don't think she's going to fall for the same trick twice!
      – Michael
      Nov 29 at 20:06








    • 32




      ...though a running gag of repeatedly banishing an increasingly irate Tiamat to the Astral Plane via the Bag Of Holding trick could be hilarious for the right sort of campaign. "Okay, guys. We have at least three days to get another two bags of holding. anyone have any ideas?" That's a hell of a campaign driver right there.
      – Ben Barden
      Nov 29 at 21:10






    • 8




      @BenBarden but it'd only get shorter, right? The first time might take a week. The second time, 3 days (she is starting to learn her way around, and knows who she is looking for) and she'd only become more and more familiar with it. Also given she falls into a random spot - right next to the creature(s) who gets her out is indeed among the possibilities :P
      – Shadow
      Nov 30 at 0:51






    • 5




      After the third time the PCs would probably be better off by using the bags of holding on themselves... (This whole thing has a "Benny Hill ending" -wibe to it.)
      – DocWeird
      Nov 30 at 8:55








    • 1




      At that point, it really depends on how much of a farce your game world is. Once you've hit her with the trick for the second or third time, you're already outside the bounds of anything that could reasonably pretend to be simulationist.
      – Ben Barden
      Nov 30 at 14:02








    5




    5




    assuming the party can't find a new pair of Bags of Holding by then and even if they do, I don't think she's going to fall for the same trick twice!
    – Michael
    Nov 29 at 20:06






    assuming the party can't find a new pair of Bags of Holding by then and even if they do, I don't think she's going to fall for the same trick twice!
    – Michael
    Nov 29 at 20:06






    32




    32




    ...though a running gag of repeatedly banishing an increasingly irate Tiamat to the Astral Plane via the Bag Of Holding trick could be hilarious for the right sort of campaign. "Okay, guys. We have at least three days to get another two bags of holding. anyone have any ideas?" That's a hell of a campaign driver right there.
    – Ben Barden
    Nov 29 at 21:10




    ...though a running gag of repeatedly banishing an increasingly irate Tiamat to the Astral Plane via the Bag Of Holding trick could be hilarious for the right sort of campaign. "Okay, guys. We have at least three days to get another two bags of holding. anyone have any ideas?" That's a hell of a campaign driver right there.
    – Ben Barden
    Nov 29 at 21:10




    8




    8




    @BenBarden but it'd only get shorter, right? The first time might take a week. The second time, 3 days (she is starting to learn her way around, and knows who she is looking for) and she'd only become more and more familiar with it. Also given she falls into a random spot - right next to the creature(s) who gets her out is indeed among the possibilities :P
    – Shadow
    Nov 30 at 0:51




    @BenBarden but it'd only get shorter, right? The first time might take a week. The second time, 3 days (she is starting to learn her way around, and knows who she is looking for) and she'd only become more and more familiar with it. Also given she falls into a random spot - right next to the creature(s) who gets her out is indeed among the possibilities :P
    – Shadow
    Nov 30 at 0:51




    5




    5




    After the third time the PCs would probably be better off by using the bags of holding on themselves... (This whole thing has a "Benny Hill ending" -wibe to it.)
    – DocWeird
    Nov 30 at 8:55






    After the third time the PCs would probably be better off by using the bags of holding on themselves... (This whole thing has a "Benny Hill ending" -wibe to it.)
    – DocWeird
    Nov 30 at 8:55






    1




    1




    At that point, it really depends on how much of a farce your game world is. Once you've hit her with the trick for the second or third time, you're already outside the bounds of anything that could reasonably pretend to be simulationist.
    – Ben Barden
    Nov 30 at 14:02




    At that point, it really depends on how much of a farce your game world is. Once you've hit her with the trick for the second or third time, you're already outside the bounds of anything that could reasonably pretend to be simulationist.
    – Ben Barden
    Nov 30 at 14:02












    up vote
    18
    down vote













    It should work. For a while.



    You raised the main issues.




    • On the size issue. Tiamat doesn't fit fully within 10'. This would be a DM call, though arguably, in the normal context of English, a creature that has any part of it within 10' IS within 10'.

    • This banishing effect of the bag of holding is not a spell. Only a feature that says it is a spell is a spell (as confirmed by Mr. Crawford here). So the Limited Magic Immunity to spells feature would not help.

    • She is a minor deity. Again, whether this has any effect would be up to the DM, as there are no specific rules for a "creature type" of minor deity! If you are using an official set of stats from somewhere, then Tiamat (or her avatar) would be immune only if the stats say so. Otherwise, if home-brewed, it would be up to the DM.


    Personally, assuming standard stats, I see no reason why this wouldn't work. The only caveat is that Tiamat is only stuck in the Nine Hells by divine purview (according to most backgrounds). If released then she would presumably be no more restricted than any other deity/avatar.



    In other words - it might work. But there would be nothing stopped Her from returning from the Astral Plane looking for whoever did it. And She's gonna be ANGRY (-er)!






    share|improve this answer



























      up vote
      18
      down vote













      It should work. For a while.



      You raised the main issues.




      • On the size issue. Tiamat doesn't fit fully within 10'. This would be a DM call, though arguably, in the normal context of English, a creature that has any part of it within 10' IS within 10'.

      • This banishing effect of the bag of holding is not a spell. Only a feature that says it is a spell is a spell (as confirmed by Mr. Crawford here). So the Limited Magic Immunity to spells feature would not help.

      • She is a minor deity. Again, whether this has any effect would be up to the DM, as there are no specific rules for a "creature type" of minor deity! If you are using an official set of stats from somewhere, then Tiamat (or her avatar) would be immune only if the stats say so. Otherwise, if home-brewed, it would be up to the DM.


      Personally, assuming standard stats, I see no reason why this wouldn't work. The only caveat is that Tiamat is only stuck in the Nine Hells by divine purview (according to most backgrounds). If released then she would presumably be no more restricted than any other deity/avatar.



      In other words - it might work. But there would be nothing stopped Her from returning from the Astral Plane looking for whoever did it. And She's gonna be ANGRY (-er)!






      share|improve this answer

























        up vote
        18
        down vote










        up vote
        18
        down vote









        It should work. For a while.



        You raised the main issues.




        • On the size issue. Tiamat doesn't fit fully within 10'. This would be a DM call, though arguably, in the normal context of English, a creature that has any part of it within 10' IS within 10'.

        • This banishing effect of the bag of holding is not a spell. Only a feature that says it is a spell is a spell (as confirmed by Mr. Crawford here). So the Limited Magic Immunity to spells feature would not help.

        • She is a minor deity. Again, whether this has any effect would be up to the DM, as there are no specific rules for a "creature type" of minor deity! If you are using an official set of stats from somewhere, then Tiamat (or her avatar) would be immune only if the stats say so. Otherwise, if home-brewed, it would be up to the DM.


        Personally, assuming standard stats, I see no reason why this wouldn't work. The only caveat is that Tiamat is only stuck in the Nine Hells by divine purview (according to most backgrounds). If released then she would presumably be no more restricted than any other deity/avatar.



        In other words - it might work. But there would be nothing stopped Her from returning from the Astral Plane looking for whoever did it. And She's gonna be ANGRY (-er)!






        share|improve this answer














        It should work. For a while.



        You raised the main issues.




        • On the size issue. Tiamat doesn't fit fully within 10'. This would be a DM call, though arguably, in the normal context of English, a creature that has any part of it within 10' IS within 10'.

        • This banishing effect of the bag of holding is not a spell. Only a feature that says it is a spell is a spell (as confirmed by Mr. Crawford here). So the Limited Magic Immunity to spells feature would not help.

        • She is a minor deity. Again, whether this has any effect would be up to the DM, as there are no specific rules for a "creature type" of minor deity! If you are using an official set of stats from somewhere, then Tiamat (or her avatar) would be immune only if the stats say so. Otherwise, if home-brewed, it would be up to the DM.


        Personally, assuming standard stats, I see no reason why this wouldn't work. The only caveat is that Tiamat is only stuck in the Nine Hells by divine purview (according to most backgrounds). If released then she would presumably be no more restricted than any other deity/avatar.



        In other words - it might work. But there would be nothing stopped Her from returning from the Astral Plane looking for whoever did it. And She's gonna be ANGRY (-er)!







        share|improve this answer














        share|improve this answer



        share|improve this answer








        edited Nov 29 at 17:26

























        answered Nov 29 at 17:07









        PJRZ

        8,00111842




        8,00111842






















            up vote
            10
            down vote













            Yes, but They could not complete this using Mage Hand.
            Mage hand has a 10lb limit, and a Bag of Holding weighs 15 pounds.






            share|improve this answer

















            • 1




              This answer could be greatly improved if you expanded the yes into actually explaining why/how it's possible as well.
              – Purple Monkey
              Nov 29 at 21:35






            • 2




              @PurpleMonkey I think you need to do a re-read. Ian is saying the plan wouldn't work not because of anything related to if Tiamat can or cannot be sucked into the astral plane as the other answers discuss; but because mage hand can't do what the players had in mind to trigger the attempt.
              – Dan Neely
              Nov 29 at 21:57






            • 8




              @DanNeely I know what Ian is saying and my comment still stands. The question is: "Can multiple Bags of Holding banish Tiamat?/Is it possible to send Tiamat to the Astral Plane using this strategy?". The answer is "yes, but...". If the answer can expand/explain why it is possible except for using Mage Hand then it could improve the answer.
              – Purple Monkey
              Nov 29 at 22:07






            • 2




              Could you decide on "lb" or "pounds" so us non-americanskis don't have to google conversion-rates just to find out it's the same?
              – DonQuiKong
              Nov 30 at 13:54






            • 1




              Do D&D printings change from customary to metric units for international audiences?
              – Alex H.
              Nov 30 at 16:01















            up vote
            10
            down vote













            Yes, but They could not complete this using Mage Hand.
            Mage hand has a 10lb limit, and a Bag of Holding weighs 15 pounds.






            share|improve this answer

















            • 1




              This answer could be greatly improved if you expanded the yes into actually explaining why/how it's possible as well.
              – Purple Monkey
              Nov 29 at 21:35






            • 2




              @PurpleMonkey I think you need to do a re-read. Ian is saying the plan wouldn't work not because of anything related to if Tiamat can or cannot be sucked into the astral plane as the other answers discuss; but because mage hand can't do what the players had in mind to trigger the attempt.
              – Dan Neely
              Nov 29 at 21:57






            • 8




              @DanNeely I know what Ian is saying and my comment still stands. The question is: "Can multiple Bags of Holding banish Tiamat?/Is it possible to send Tiamat to the Astral Plane using this strategy?". The answer is "yes, but...". If the answer can expand/explain why it is possible except for using Mage Hand then it could improve the answer.
              – Purple Monkey
              Nov 29 at 22:07






            • 2




              Could you decide on "lb" or "pounds" so us non-americanskis don't have to google conversion-rates just to find out it's the same?
              – DonQuiKong
              Nov 30 at 13:54






            • 1




              Do D&D printings change from customary to metric units for international audiences?
              – Alex H.
              Nov 30 at 16:01













            up vote
            10
            down vote










            up vote
            10
            down vote









            Yes, but They could not complete this using Mage Hand.
            Mage hand has a 10lb limit, and a Bag of Holding weighs 15 pounds.






            share|improve this answer












            Yes, but They could not complete this using Mage Hand.
            Mage hand has a 10lb limit, and a Bag of Holding weighs 15 pounds.







            share|improve this answer












            share|improve this answer



            share|improve this answer










            answered Nov 29 at 21:25









            Ian G

            1012




            1012








            • 1




              This answer could be greatly improved if you expanded the yes into actually explaining why/how it's possible as well.
              – Purple Monkey
              Nov 29 at 21:35






            • 2




              @PurpleMonkey I think you need to do a re-read. Ian is saying the plan wouldn't work not because of anything related to if Tiamat can or cannot be sucked into the astral plane as the other answers discuss; but because mage hand can't do what the players had in mind to trigger the attempt.
              – Dan Neely
              Nov 29 at 21:57






            • 8




              @DanNeely I know what Ian is saying and my comment still stands. The question is: "Can multiple Bags of Holding banish Tiamat?/Is it possible to send Tiamat to the Astral Plane using this strategy?". The answer is "yes, but...". If the answer can expand/explain why it is possible except for using Mage Hand then it could improve the answer.
              – Purple Monkey
              Nov 29 at 22:07






            • 2




              Could you decide on "lb" or "pounds" so us non-americanskis don't have to google conversion-rates just to find out it's the same?
              – DonQuiKong
              Nov 30 at 13:54






            • 1




              Do D&D printings change from customary to metric units for international audiences?
              – Alex H.
              Nov 30 at 16:01














            • 1




              This answer could be greatly improved if you expanded the yes into actually explaining why/how it's possible as well.
              – Purple Monkey
              Nov 29 at 21:35






            • 2




              @PurpleMonkey I think you need to do a re-read. Ian is saying the plan wouldn't work not because of anything related to if Tiamat can or cannot be sucked into the astral plane as the other answers discuss; but because mage hand can't do what the players had in mind to trigger the attempt.
              – Dan Neely
              Nov 29 at 21:57






            • 8




              @DanNeely I know what Ian is saying and my comment still stands. The question is: "Can multiple Bags of Holding banish Tiamat?/Is it possible to send Tiamat to the Astral Plane using this strategy?". The answer is "yes, but...". If the answer can expand/explain why it is possible except for using Mage Hand then it could improve the answer.
              – Purple Monkey
              Nov 29 at 22:07






            • 2




              Could you decide on "lb" or "pounds" so us non-americanskis don't have to google conversion-rates just to find out it's the same?
              – DonQuiKong
              Nov 30 at 13:54






            • 1




              Do D&D printings change from customary to metric units for international audiences?
              – Alex H.
              Nov 30 at 16:01








            1




            1




            This answer could be greatly improved if you expanded the yes into actually explaining why/how it's possible as well.
            – Purple Monkey
            Nov 29 at 21:35




            This answer could be greatly improved if you expanded the yes into actually explaining why/how it's possible as well.
            – Purple Monkey
            Nov 29 at 21:35




            2




            2




            @PurpleMonkey I think you need to do a re-read. Ian is saying the plan wouldn't work not because of anything related to if Tiamat can or cannot be sucked into the astral plane as the other answers discuss; but because mage hand can't do what the players had in mind to trigger the attempt.
            – Dan Neely
            Nov 29 at 21:57




            @PurpleMonkey I think you need to do a re-read. Ian is saying the plan wouldn't work not because of anything related to if Tiamat can or cannot be sucked into the astral plane as the other answers discuss; but because mage hand can't do what the players had in mind to trigger the attempt.
            – Dan Neely
            Nov 29 at 21:57




            8




            8




            @DanNeely I know what Ian is saying and my comment still stands. The question is: "Can multiple Bags of Holding banish Tiamat?/Is it possible to send Tiamat to the Astral Plane using this strategy?". The answer is "yes, but...". If the answer can expand/explain why it is possible except for using Mage Hand then it could improve the answer.
            – Purple Monkey
            Nov 29 at 22:07




            @DanNeely I know what Ian is saying and my comment still stands. The question is: "Can multiple Bags of Holding banish Tiamat?/Is it possible to send Tiamat to the Astral Plane using this strategy?". The answer is "yes, but...". If the answer can expand/explain why it is possible except for using Mage Hand then it could improve the answer.
            – Purple Monkey
            Nov 29 at 22:07




            2




            2




            Could you decide on "lb" or "pounds" so us non-americanskis don't have to google conversion-rates just to find out it's the same?
            – DonQuiKong
            Nov 30 at 13:54




            Could you decide on "lb" or "pounds" so us non-americanskis don't have to google conversion-rates just to find out it's the same?
            – DonQuiKong
            Nov 30 at 13:54




            1




            1




            Do D&D printings change from customary to metric units for international audiences?
            – Alex H.
            Nov 30 at 16:01




            Do D&D printings change from customary to metric units for international audiences?
            – Alex H.
            Nov 30 at 16:01


















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