Hezrou

If the hezrou dies outside the Abyss, its body dissolves into ichor, and it gains a new body instantly, reviving with all its Hit Points somewhere in the Abyss.

The hezrou has Advantage on saving throws against spells and other magical effects.

Constitution Saving Throw: DC 16, any creature that starts its turn in a 10-foot Emanation originating from the hezrou. Failure: The target has the Poisoned condition until the start of its next turn.

The hezrou makes three Rend attacks.

plus 9 (2d8) Poison damage.

The hezrou jumps up to 30 feet by spending 10 feet of movement.