~60 FPS toggle while Challenge battle

[ver. 1.4.1.2] Added : A toggle that limits FPS at 60 while Challenge

• You can more easily avoid Challenge Boss's attacks with it! Added : Chinese Translations for skills and upgrades Added : Japanese Translations for skill passives Balanced : While Metal Curse of Rein, the hero level is now limited up to 1000. Fixed : Display bugs and minor bugs