Undead Fortitude. If damage reduces the zombie ape to 0 Hit Points, it must make a Constitution saving throw with a DC of 5 plus the damage taken unless the damage is Radiant or from a Critical Hit. On a successful save, the zombie drops to 1 Hit Point instead.

Jumper. The zombie ape's jump distance is determined using its Dexterity rather than its Strength.

Multiattack. The ape makes two Fist attacks.

Fist. Melee Attack Roll: +7, reach 5 ft. Hit: 10 (2d4 + 6) Bludgeoning damage.

Flesh Chunk (Recharge 6). Ranged Attack Roll: +5, range 25/50 ft. Hit: 10 (3d6 + 6) Bludgeoning damage.