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Treasure Trove (Japanese: 宝探しの穴Treasure Hunting Cave) is a dungeon in Pokémon Mystery Dungeon: Gates to Infinity. It is accessible after Drilbur appears in Pokémon Paradise and asks for permission to dig. Each time Drilbur finds the dungeon, it can only be accessed once before it disappears. The dungeon has ten floors, and a final floor known as Treasure Trove Pit (Japanese: 宝探しの穴奥底Treasure Hunting Cave Pit).
Prior to entering the dungeon, the level of all party members will temporarily be set to 5. In addition, Team Skills don't work in this dungeon.