Ghast

Stench. Any creature that starts its turn within 5 feet of the ghast must succeed on a DC 10 Constitution saving throw or be poisoned until the start of its next turn. On a successful saving throw, the creature is immune to the ghast’s Stench for 24 hours.

Turning Defiance. The ghast and any ghouls within 30 feet of it have advantage on saving throws against effects that turn undead.

Actions

Bite. Melee Weapon Attack: +3 to hit, reach 5 ft., one creature. Hit: 12 (2d8 + 3) piercing damage.

Claws. Melee Weapon Attack: +5 to hit, reach 5 ft., one target. Hit: 10 (2d6 + 3) slashing damage. If the target is a creature other than an undead, it must succeed on a DC 10 Constitution saving throw or be paralyzed for 1 minute. The target can repeat the saving throw at the end of each of its turns, ending the effect on itself on a success.

Stench. Constitution Saving Throw: DC 10, any creature that starts its turn in a 5-foot Emanation originating from the ghast. Failure: The target has the Poisoned condition until the start of its next turn. Success: The target is immune to this ghast’s Stench for 24 hours.

Actions

Bite. Melee Attack Roll: +5, reach 5 ft. Hit: 7 (1d8 + 3) Piercing damage plus 9 (2d8) Necrotic damage.

Claw. Melee Attack Roll: +5, reach 5 ft. Hit: 10 (2d6 + 3) Slashing damage. If the target is a non-Undead creature, it is subjected to the following effect. Constitution Saving Throw: DC 10. Failure: The target has the Paralyzed condition until the end of its next turn.