Ultimate Skin of the higher star will receive more bonus in battle, the bonus info of each grade is shown in the table below:
Ultimate Skin Grade
Combat Attributes Bonus
ATK +5,000 DEF +5,000
ATK +5,000 DEF +5,000 STA +5,000
ATK +10,000 DEF +10,000 STA +10,000
How to upgrade ultimate skin to a higher grade?
Players can obtain ultimate skin of a higher level by upgrading it in Research Center. The upgrade needs to be completed by consuming 3 ultimate skins of the same star. The upgrade is not 100% successful. The probability of upgrade is as follows: