Keen Hearing and Smell. The zombie worg has advantage on Wisdom (Perception) checks that rely on hearing or smell.

Undead Fortitude. If damage reduces the zombie worg to 0 hit points, it must make a Constitution saving throw with a DC of 5 + the damage taken, unless the damage is radiant or from a critical hit. On a success, the zombie drops to 1 hit point instead.

Multiattack. The zombie worg makes two attacks: one with its bite and one with its claws.

Bite. Melee Weapon Attack: +6 to hit, reach 5 ft., one target. Hit: 10 (2d6 + 3) piercing damage. If the target is a creature, it must succeed on a DC 13 Strength saving throw or be knocked prone.

Claws. Melee Weapon Attack: +6 to hit, reach 5 ft., one target. Hit: 7 (2d4 + 3) slashing damage.

Infected Bite (Recharge 4–6). Melee Weapon Attack: +6 to hit, reach 5 ft., one target. Hit: 10 (2d6 + 3) piercing damage. On a hit, If the target is a creature, it must succeed on a DC 13 Constitution saving throw or it becomes paralyzed for two turns. The target also takes (2d6) necrotic damage on a failed save, or half as much damage on a successful one.