Use these coupons to change your BOT type to one of the other two classes. The coupon is consumed upon usage through using the 'transform' option in the special tab of your BOT in the shop or in My Info. The coupons are rare quest rewards and are mostly bought from the shop.

TransCoupon(P)

There is a permanent Transformation Coupon available in the shop for 15,000 Coins, allowing you to infinitely change your class without consuming the coupon.