Place the blind box
Lucky Blind Box and Ultimate Blind Box can improve the quality of blind box by placing upgrades.

After the Lucky Blind Box is placed for a certain period of time, the quality will be improved (common-high-quality-rare-epic-legendary), and the resale value and opening value of the blind box will also increase.

After the ultimate blind box is placed for a certain period of time, the quality will be improved (common-high-quality-rare-epic-legendary), the opening value of the blind box will also increase, and the number of lucky cards required for resale will also decrease.
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