Quote Originally Posted by [GM] Joy View Post
Platinum service is not an item, but just kind of service which is to give you more bonus such as EXP, skillEXP, extra inventory and so on. You can see the msg that you are using platinum service right after you login the game. And you can find the square icon with wings and crown on loft-bottom of the game screen. It shows you are premium user or not. Click the icon to check your current service and bonus.
Actually the square icon with wings and crown isn't until the Illusion Castle update,Atm it shows as Premium user under your character bar