The Heavy Zombie is actually much bigger than the picture to the right suggests. It will spawn even in easymode, and anywhere on the map except the Underworld. In each mode, the damage that this NPC deals out increases:
- Easymode: 20 damage
- Hardmode: 39 damage
- Superhardmode: 80 damage
It has 16 defense throughout all of the game modes, and a maximum life of 610.