Midnight Sparkle

When Principal Cinch discovers this, she pressures Twilight to release the magic from her device to win the Games. Once she does, the magic engulfs her, and she transforms into a monstrous creature obsessed with magic. After her transformation, Twilight uses her powers to open additional rifts to Equestria. Using Twilight's device, Sunset channels the released magic to transform herself. Following an explosive battle, Sunset offers Twilight her hand in friendship, and Twilight accepts. Twilight apologizes for all the trouble she caused, and Sunset and her friends forgive her. She is now back and she is a lot muscular, her dress slightly tight around her muscles. her boots are ripped off by her muscle growth. her skirt too has also ripped, revealing her muscular thighs and quads. the frornt of her dres is ripped, revealing her muscular torso and her pecs. she can now drain everybody's muscles and she can get bigger