[RPG] Is a pregnant creature considered a single entity for spells such as Banishment?


Using the D&D 5e RPG system. We'll use a Brown Bear and the spell Banishment as an example. What, if anything, occurs when you attempt to cast such a spell on a creature that is currently pregnant?

The spell specifies the following:

You attempt to send one creature that you can see within range to
another plane of existence. The target must succeed on a Charisma
saving throw or be banished. If the target is native to the plane of
existence you’re on, you banish the target to a harmless demiplane.
While there, the target is incapacitated

Does the spell take effect and if so does it bring the as yet unborn creature(s) with the mother? Possible complications include, beyond the spell only targeting a single creature, that it must also be a creature that you can see. The supposition is that being inside another creature would provide those inside with Total Cover.

A target with total cover can't be targeted directly by an attack or a
spell, although some spells can reach such a target by including it in
an area of effect. A target has total cover if it is completely
concealed by an obstacle

Best Answer

This kind of situation is up to the DM.

D&D 5E isn't designed to handle these sort of situations. The system doesn't have any built-in mechanics for pregnancy, or whether pregnant creatures can be individually targeted by spells. The system simply doesn't have the rules to address it. So by Rule Zero, the DM should make the call.

Note that the DM should be really careful about approaching these topics, as they tend to be sensitive and controversial. Even if players overlook the ethics regarding a pregnant dragon or monstrosity, this could set an unpleasant precedent for similar scenarios with humanoid creatures.

The DM's decision should respect the table's social contract. Some players may accept the grotesque horror style you're considering, whereas others may consider it seriously offensive. And making the players uncomfortable generally results in a poor gameplay experience.

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