Collection
The "Collection" is a feature where commanders can check the heroes they have acquired. At various milestones such as acquiring 5, 10, 15, or 20 heroes, commanders can receive Blackstone Crystals as rewards.
The Collection can be accessed through the icon located on the left side of the main game screen.
It becomes visible on the main screen after clearing chapter 2 and unlocking the "Queen Annie" function.
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