Upon finding one, the player can obtain a Treetrunks Tee, a Jiggler Tee, Jiggler Backpack, Marceline (Bat Mode) Tee, a Lumpy Space Princess Tee, Demon Cat Head, Marquis of Nuts Tee, a Princess Bubblegum Gauntlet, and Billy's Sword.
As of July 2011, players can uptain a Infiltrator Jacket, Infiltrator Pants, Infiltrator Boots, and Infiltrator Helmet and Infiltrator Blaster.
Untamed Treasure Chest Item
These untamed treasure chests have to be attacked by players in order for the hero to get gear from it. They are level 10 enemies and are all Adaptium. Coincedentally, they appear in the same area of treasure hunters. Finding treasure hunters will give a clue to where treasure chests are located.