Growing up on the streets is tough for anyone, but Champion found someone who brought him out of that childhood, Princess Twilight Sparkle, who arranged him to be Princess Celestia's student at Canterlot School for Gifted Unicorns. As one would expect, not everypony was happy when he was accepted, and this led to his dark disposition. but with the advent of a new student for Princess Luna, things start looking up for Champ, though he refuses to see it. (Spinoff to King of Equestria on Fanfiction.net).