MLP Fi M Youll Play Your Part ( Final Boss Remix)

Song: After Twilight sacrificed her magic and got her key from Discord. They went to the Tree of Harmony to open the chest, which had rainbow power. The Mane 6 prepare themselves for one final battle against Tirek. He tried to attack them, but it wasn t effective against the rainbow magic. They defeat Tirek and restored peace to Equestria by giving the magic back to everypony, including Celestia, Luna