The term BoA in World of Warcraft is short for Bind on Account. This refers to a type of gear that is usable by any of the characters on your account, but not by any other players. BoA gear scales with the character’s level and some pieces have the unique attribute of increases experience gained by the wearer. BoA gear is acquired by spending emblems of heroism or stone keeper shards. The BoA WoW term is known by most players with level 80 characters.