Talk:Underground Treasure Chest 11/@comment-98.248.105.23-20180411034637/@comment-2601:86:480:6ED9:4566:F868:4BBD:5E07-20180411042518

The rate for Mouri jumps between floor 98 and 99. If you can afford it resource wise, I'd say run 99 a few times. I did floor 99 five times last UTC and almost lost a sword twice, but Mouri dropped on the fifth run. Equip your teams with the protection charms just in case.