Talk:Underground Treasure Chest 10/@comment-2604:6000:8C00:6600:8C6F:CAD3:B8E2:BEBE-20171202040033/@comment-32723323-20171202095048

Floor 90 has the third highest droprate, 91-98 second highest and 99 the highest.

Lots of Mouri have drop from floors much lower though, so all you need it that bit of luck.