Twilight has successfully restored her friends' cutie marks to normal. But something still remains to be fixed.
Starswirl the Bearded's spell.
But something happens to Twilight... Something that makes her friends prove what they would do for her.
Based off of Black Gryph0n and Bassik's song: Another End. The final song in their IMmortal album. The link isn't for a YouTube Video because they aren't all there. The link is to their bandcamp page where you can listen to all the songs in the album.