Undead Fortitude. If damage reduces the zombie 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.

Brutish Rage: The Zombie Hulk has no regard for friend or foe, it will tear apart and consume whatever may be within reach. To control a Hulk, its creator must succeed a DC 23 Charisma Check.

Slam. Melee Weapon Attack: +9 to hit, reach 10 ft., one target. Hit: 12 (1d10 + 6) bludgeoning damage.

Multiattack. The Zombie Hulk makes two fist attacks.

Fist. Melee Weapon Attack: +9 to hit, reach 10 ft., one target. Hit: 22 (3d10 + 6) bludgeoning damage

Chain: Melee Weapon Attack: +4 to hit, reach 15 ft., one target. Hit: 6 (3d4) bludgeoning damage. Target must make a DC 23 Dexterity saving throw or be entangled, prone, and pulled within reach of the Zombie Hulk. If pulled within reach the Hulk may make a Fist attack as a bonus action.