Cursed miasma. If damage reduces the zombie fighter's HP to 0, the attacker must make a constitution saving throw (DC 12) or become cursed. A cursed humanoid creature will rise as a zombie when its own HP is reduced to 0 instead of making death saving throws.

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.

Overwhelming hoard. The zombie has advantage on an attack roll against a creature if at least one other allied zombie is within 5 feet of the creature and the ally isn’t incapacitated. 

Rapier. Melee Weapon Attack: +3 to hit, reach 5 ft., one target. Hit: 5 (1d8 + 1) piercing damage.

Club(violin). Melee Weapon Attack: +2 to hit, reach 5 ft., one target. Hit: 2 (1d4) bludgeoning damage.