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.

Actions

Attack

Melee Weapon Attack: your proficiency bonus + its Strength modifier to hit, reach 5 ft., one target. Hit: 1d10 + its Strength modifier bludgeoning, piercing or slashing damage.