Large undead, neutral evil
Saving Throws Wis +0
Damage Immunities poison
Condition Immunities Poisoned
Senses darkvision 60 ft., passive Perception 8
Languages understands Common and Giant but can't speak
Challenge 2 (450 XP)
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.
Morningstar. Melee Weapon Attack: +6 to hit, reach 5 ft., one target. Hit: 13 (2d8 + 4) bludgeoning damage.