From Bulbapedia, the community-driven Pokémon encyclopedia.
Gold Bars (Japanese: きんかい Gold Bar) are a type of currency used in the Pokémon Mystery Dungeon world. Introduced in Gates to Infinity, Gold Bars can be found by digging into Sparkling Floor or Gold Floor tiles in Dungeons, which can be made visible by using a Gold Scope. They can also be obtained, in amounts from one to five, from opening Treasure Boxes at Rampardos Box Buster.
In Pokémon Super Mystery Dungeon, Gold Bars can again be found (in amounts from one to three) from Sparkling Floor or Gold Floor tiles, or by opening Treasure Boxes at Rockin' Lock. They can additionally be obtained by increasing the player's Expedition Rank, or by exchanging 100 items in the Deposit Box for one Gold Bar. If the leader holds the Excavation Looplet while in a Dungeon, items buried in the ground, including Gold Bars, can be found more easily.
Gold Bars can be exchanged for Poké or rare items at Glorious Gold. Gold Bars, unlike Poké, are not lost when defeated in a dungeon.
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