Charge. If the centaur moves at least 30 feet straight toward a target and then hits it with a slam attack on the same turn, the target takes an extra 10 (3d6) Bludgeoning damage.

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.

Multiattack. The zombitaur makes two slam attacks or one slam, one hoof attack

Slam. Melee Weapon Attack: +10 to hit, reach 10 ft., one target. Hit: 9 (1d10 + 4) bludgeoning damage.

Hooves. Melee Weapon Attack: +10 to hit, reach 5 ft., one target. Hit: 11 (2d6 + 4) bludgeoning damage.