Borderlands 3's Director's Cut adds diamond keys and a new loot armory

The golden chest is now a trash bin, welcome to the Diamond Armory

Borderlands 3 Diamond Keys are a new reward coming to the Director's Cut add-on

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Diamond chest loot <3 : r/borderlands3

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Borderlands 3 Director's Cut Adds Diamond Keys and Loot Armory

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Borderlands 3 diamond keys how to get them and location of diamond key room