Champions Online is celebrating its one year anniversary since going free-to-play with a 20% off sale in all items in the C-Store. Players will also receive in-game goodies from now until January 31 such as a double boost in XP with the return of Witchcraft. In addition, the new Mountain Archetype has party favors for sale such as the Halloween and Winter Grab Bags. Players will also be able to perform a daily mission for The Mountain to earn one of the new Mountain Costume set pieces. More information is available on the official website.