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