Necromancy. Can control zombies and raise them from the dead. Whenever something dies (besides a zombie) in a 50ft radius they turn into a zombie.

Hover. Hovers at 6ft using magic

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

Clone. (Recharge 3-6 turns) Makes number of clones based on dice roll of self with 1 hp. (1d20)

Fire Spell. Range Spell Attack: +8 to hit, reach 40ft., multi target in 10x10 range. Hit: 10 (5d8) + flame damage, 2 minutes, (3d4)

On the final blow against Necromancer roll a (d20 + 3) and if you get 10+ leave hp at one and automatically makes it Necromancer turn.

Life Leach. Range Spell Attack: +10 to hit, radius 50ft., multi target. Hit: 10 (3d6)., Steals the hp of everyone (even allies)  

Master of the Undead. Roll a d8 and spawn in that many zombies. Trade in 2 to spawn a Zombie Brute and 8 to spawn a Zombie King Tank.