The defects have been corrected.
Please see below for details.
Main Fixes
Added the ability to save backup data.
Fixed a bug that caused items to fall to the ground when opening the equipped item screen or the hand-held item screen.
Fixed a problem in which the health of a particular monster would be reduced when taming it.
If you have already conquered the arena, you can get it by clearing some cups (even if you have already cleared a cup).
Fixed a bug that prevents moving equipped items to handhelds.
Fixed that the size change of Rapid Monster on your side is reflected.
Fixed a bug that passive skill selection may not be applied when using a monster you have in your hand as a base when synthesizing.
Fixed a bug in which passive skills were not being applied when a monster was selected as a base when synthesizing.
Fixed a bug that caused some equipment items to be removed immediately after being equipped.
Fixed an issue where monsters summoned by summoning skills would not fight.
Fixed a bug that caused treasure chests to be buried in the ground or appear in mid-air.
Adjusted the volume of some sound effects.
Adjusted the volume of some sound effects.
Other minor fixes
If you find any new problems or concerns after applying the update, please report them on the official Discord.
Thank you in advance.