|The spirit of chaos and disharmony, Discord once ruled over all of Equestria! He was imprisoned in stone and eventually set free... Now he's been given a second chance to do good and find true friends.|
Royal Balloon Pop
|Discord on the MLP:FiM wiki|
Although the player is required to buy him in Canterlot, he works with Trixie, Thorax, and Starlight Glimmer in a series of quests within the Changeling Kingdom as the four attempt to defeat Queen Chrysalis and save Equestria. There, he is already available to complete the quests.
|Royal Balloon Pop||?|