Armor Class 15 (natural armor)
Hit Points 133 (14d10 + 56)
Speed 40 ft., climb 40 ft.
Saving Throws WIS +5, CHA +2
Skills Perception +5, Stealth +6, Survival +5
Damage Immunities necrotic, radiant
Senses darkvision 120 ft., passive Perception 15
Languages understands Draconic but can't speak
Challenge 8
Magic Resistance. The reverser has advantage on saving throws against spells and other magical effects.
Multiattack. The reverser makes three attacks: one with its bite and two with its claws.
Bite. Melee Weapon Attack: +8 to hit, range 5 ft., one creature. Hit: 11 (1d12 + 5) piercing damage plus 6 (1d12) force damage.
Claws. Melee Weapon Attack: +8 to hit, reach 5 ft., one target. Hit: 8 (1d6 + 5) slashing damage plus 7 (2d6) force damage.
Reversal. When a creature the reverser can see within 30 feet of it regains hit points, the reverser reduces the number of hit points regained to 0, and the reverser deals 13 (3d8) force damage to the creature.
Explorer's Guide to Wildemount, p. 284