Upgrade Ticket Grades

Rank of Upgrade Ticket -------->Range of ranks of rewards after upgrading

1)Iron Upgrade Ticket-------->F- to E+ rank of rewards

2)Bronze Upgrade Ticket------>D- to C+ rank of rewards

3)Silver Upgrade Ticket------->B- to A+ rank of rewards

4)Gold Upgrade Ticket--------> S- to S+ rank of rewards

5)Black Gold Upgrade Ticket------->SS- to SS+ rank of rewards

6)Platinum Upgrade Ticket-------->SSS- to SSS+ rank of rewards

7)Amethyst Upgrade Ticket-------->EX- rank of reward

8)Gold Amethyst Upgrade Ticket------->EX rank of reward

9)Platinum Amethyst Upgrade Ticket------->EX+ rank reward