Might Shroom is the Ultra Boss for the Shroomtown zone. It is unlocked after killing 1000 creatures in the area, then talking to Monster Crafter Olaf in the Market. It shares an appearance and an attack pattern with the Shroom bully. On death, Might Shroom may drop Might Shroom A, or Might Shroom H.
- Melee: Being near him will make him collide with the player. Colliding with Might Shroom will do 9998 Damage
- Ranged: Ranged bullets will fly towards you in a zig-zag way and do 80 Damage
- Ball: The yellow ball follows might shroom movement and if you get hit it will do 99,999 damage