If you get close to it, the mutant zombie slams the ground and hits everything in front of it. The mutant zombie's slam attack deals a range of up to 3.5 plus ground shatter.
When the mutant zombie roars, the impact deals half a heart to any entity nearby. This also resurrects zombie minions from the earth to help the mutant zombie. Up to six zombies are spawned depending on the environment (spawns less in the day). You can also break the blocks to stop zombies from spawning.
The mutant zombie can also throw you up into the air and then slam you down. This is the mutant zombie's most damaging attack, dealing fall damage and attack damage.
The mutant zombie doesn't burn in daylight and heals one heart every five seconds at night. If you don't completely incinerate the mutant zombie's body seven seconds after it dies,it will come back to life. Of course, after three kills the mutant zombie dies without burning. After death, it drops a Hulk Hammer. Is affected it its attack if it hit a wall.