Legendary Resistance (3/Day). If the zombie fails a saving throw, it can choose to succeed instead.

Multiattack. The zombie can use its Frightful Presence. It then makes 5 attacks

Bite. Melee Weapon Attack: +11 to hit, reach 10 ft., one target. Hit: 17 (2d10 + 6) piercing damage.

Claw. Melee Weapon Attack: +12 to hit, reach 5 ft., one target. Hit: 13 (2d6 + 6) slashing damage.

Frightful Presence. Each creature of the zombie's choice that is within 120 feet of the zombie and aware of it must succeed on a DC 16 Wisdom saving throw or become frightened for 1 minute. A creature can repeat the saving throw at the end of each of its turns, ending the effect on itself on a success. If a creature's saving throw is successful or the effect ends for it, the creature is immune to the zombie's Frightful Presence for the next 24 hours.

Infect player has to roll a DC 19 or become a zombie