Gauntlets are packs of really decorated levels of a certain type of decoration. Such as fire, ice, shadow, poison, custom, demon, death, lava, chaos, time, crystal, magic, spike, monster, doom. Although, one gauntlet is locked. The demon gauntlet is locked and can only be unlocked by the locked up demon guardian. The demon guardian is locked up in the door that's in the Vault of Secrets. In order to unlock him out, you have to beat the Chaos Gauntlet, get to the Chamber of Time, and lock 50 demon chests in the Treasure Room.