Boss Ghost
From Growtopia
This is an NPC, or a non-player character.
The Boss Ghost is an NPC that was added as part of the B.O.O. Update. To summon the boss, the player must complete the Dark Spirit Board's riddles. To kill the boss, players much use their Neutron Gun & trap it inside of several Containment Field Power Nodes. The boss has around 40,000 HP.
