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|Thorax on the MLP:FiM wiki|
Although the player is required to buy him in Canterlot, he works with Trixie, Discord, 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.
- Thorax is one of several characters who have multiple instances, such as DJ Pon-3 (who appears in both Ponyville and Canterlot) and Daring Do (in Ponyville, and in Canterlot as A.K. Yearling).
- He can be differentiated from other Changelings by his bright-colored wings.