Credits to reddit for this neat coupon code
1. Go to Premium - Curse
2. look for the redemption code box on the page: it's a text box with xxxx-xxxx-xxxx-xxxx in it.
3. Enter in the code: ORIGINPRIME12
4. Redeem it.
Be sure to be logged into Curse while doing this!
If this worked for you, please feel free to reply with a thanks or hit the rep button; not mandatory but I'd appreciate it greatly ^^