Place the blind box

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

Lucky Blind Box：

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.

Ultimate Blind Box：

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.