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In our last gaming session we got into a lengthy discussion/argument on demiplanes, so I went looking for any rules on them, and either my searches are just failing or there really is very little on the topic. In particular, a few people stated as RAW that if you were in a demiplane and did something that would violate one of the established traits of that plane that you would be ejected from it. The motivation was that one of the party members is trapped in a demiplane, which was designed to be a prison.
My questions are 1) is this in fact true and where can I find such a rule, and 2) if it is true what does that really mean.
So say the plane has normal time, is it sufficient to cast haste? or if it is dead magic, and you have an artifact that does something does that violate the rules of the plane and you get ejected?
Any pointers to rules of how demiplanes function would be appreciated.
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Affects not permitted in a demi-plane simply do not function.
Haste works normally in a slow-time demi-plane. There is no rules violation, you simply move faster than other present in the demi-plane for a few rounds.
As for ejecting characters or NPCs.
As a standard action, you may eject a creature from your demiplane. The creature may resist with a Will saving throw. An ejected creature goes to the closest plane to your demiplane (usually the Astral Plane or the Ethereal Plane, but if you cast this spell on the Material Plane, the creature is sent to the Material Plane). When the spell ends, the plane dissolves, and all creatures in the plane are ejected in this manner with no saving throw. The plane cannot be dispelled, but a creature on the plane can destroy it by using limited wish, mage's disjunction, miracle, or wish and making a successful dispel check
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Demi-planes don't prevent any effects from happening outright, except for dead magic which simply functions like a plane wide antimagic field.
The argument that your friends are trying to make is balderdash. They want it to be true so that your party member can escape, but that's not how it works.
The ways to leave a demiplane are:
1) Cast plane shift (or similar spell)
2) Find the gate (planes are required to have one)
3) Have the owner of the demiplane want to eject you
Assuming the demiplane is truly meant to be a prison, the PC is likely doomed. If I had a made a permanent dungeon plane it would be antimagic, and designed so there was no gate to leave.
I've found those rules for getting out, although I don't believe that a portal is a requiredment. In this particular instance, the demiplane is dimensional anchored (no teleports, no gates, no plane shifts, dimension door, etc.), dead magic, and what appears to be normal time & gravity. There does appear to be an artifact that is responsible for the demiplane's creation - a large mirror but we have no idea how it works.
In any case, thanks for confirming what I had read. Getting out is mostly by the whim of the creator or find the portal.
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Sorry, don't know how it came to say "are required". I meant to say "aren't required".
Yes, if you the demiplane has a dimensional anchor effect on it and dead magic basically only the owner wanting to let you out or the existence of the gate/portal that allows people inside in the first place will allow for the PC to leave.
The truth in this scenario is, the character is probably ostensibly dead. Only the GM being generous could make it anything else but that.
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If you have dead magic I don't see how the dimensional anchor can function at all, it's suppressed. That should mean that things can plane shift in but not out.
Dead magic doesn't stop everything, it's an antimagic field. So extraordinary abilities, and artifact can still function within an antimagic field. Although one could argue that if an artifact ties to teleports would it still work? But yes, dead magic is probably sufficient. I'm just making speculations as I haven't entered the plane yet but the surrounding area is dimensionally locked as I haven't been able to teleport/dimension door/etc.
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Create Demiplane is an 8th level spell.
An outside caster using Wish, a 9th level spell, may be able to extract someone as it is a higher level than the other spell.
/cevah
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Create Demiplane is an 8th level spell.
An outside caster using Wish, a 9th level spell, may be able to extract someone as it is a higher level than the other spell.
/cevah
An outsider using Wish can attempt to destroy the demiplane.
Spell level has no meaning in this context. A Wish will not function in a dead magic area or allow you to teleport into or out of an area under the effect of a Dimensional Anchor spell.
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Wish will not function in a dead magic area or allow you to teleport into or out of an area under the effect of a Dimensional Anchor spell.
Transport travelers. A wish can lift one creature per caster level from anywhere on any plane and place those creatures anywhere else on any plane regardless of local conditions.
I think most people interpret things like Dimensional Anchor and similar travel preventing effects as a "local condition" that can be overcome by Wish. I can't recall any theory of what else it even could mean.
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Yes, if you the demiplane has a dimensional anchor effect on it and dead magic basically only the owner wanting to let you out or the existence of the gate/portal that allows people inside in the first place will allow for the PC to leave.
Not sure if the owner can eject people while within the effect of a Dead Magic Zone. And if they aren't within the dead magic zone, then there must be a Portal, or they'd have been trapped within it.
Create Demiplane is an 8th level spell.
To Create a Demiplane with a Dead Magic feature, the spell is "Create Demiplane, Greater". That's a 9th level spell.
Wish will not function in a dead magic area or allow you to teleport into or out of an area under the effect of a Dimensional Anchor spell.Transport travelers. A wish can lift one creature per caster level from anywhere on any plane and place those creatures anywhere else on any plane regardless of local conditions.I think most people interpret things like Dimensional Anchor and similar travel preventing effects as a "local condition" that can be overcome by Wish. I can't recall any theory of what else it even could mean.
Dead magic areas function as an anti-magic sphere, and even Mage's Disjunction, also a 9th level spell, only has a 1% chance per caster level of taking it down.
Or, in this case, of disrupting the demi-plane.
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I really think part of the problem is dead magic is described as being like anti-magic, which I don't like.
I think anti-magic should be described as magic that creates an area that functions like dead magic, mostly.
Which is to say, a dead magic area is an area where magic simply doesn't function. Any of it.
To me that's much more the intent then "it works like a permanent function anti-magic field", which still allows certain spells to function without problem.
The way I read the create demiplane spells casting it again grants you access to the previously created plane. Also I wouldn't think that dead magic would stop you from getting *in* via plane shift but once there you can only leave by whim of the creator of the plane. And I don't think that dead magic trait prevents the creator from ejecting someone.
I too don't particularly like that the dead magic is "like an anti-magic field", but it is and as such there is some magic leakage possible from very high powered magic sources.
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Create Demiplane is an 8th level spell.
An outside caster using Wish, a 9th level spell, may be able to extract someone as it is a higher level than the other spell.
/cevah
An outsider using Wish can attempt to destroy the demiplane.
Spell level has no meaning in this context. A Wish will not function in a dead magic area or allow you to teleport into or out of an area under the effect of a Dimensional Anchor spell.
I was not referring to a caster who is an outsider, but to a cater who is not within (i.e.outside) the demiplane.
To Create a Demiplane with a Dead Magic feature, the spell is "Create Demiplane, Greater". That's a 9th level spell.
As to breaching Greater Create Demiplane, I can only say in my defense that I was keying of the spell listed, not the effect. :-)
/cevah