After Twilight is crowned the ruler of Equestria, she feels sorry for Cozy Glow being petrified, as she is just a filly. Feeling sorry for the foal's fate, Twilight decides to release her from the statue prison. But after doing so, Twilight realizes that Cozy is no longer that megalomaniacal filly from before, but just a filly that is emotionally unstable. Cozy reveals something to Twilight about her. Twilight then realizes that she will have to play an important role in Cozy Glow's life.
Lonely Fanboy48 read this fanfic in the Youtube