Ghast

Constitution Saving Throw: DC , any creature (other than a monster) that starts its turn in a -foot Emanation originating from the monster.
Failure: The target has the Poisoned condition until the start of its next turn.
Success: The target is immune to the Stench of all monster for 1 hour.

. .

. . If the target is a non-Undead creature, it is subjected to the following effect.
Constitution Saving Throw: DC .
Failure: The target has the Paralyzed condition until the end of its next turn.