Winx AU: Breath of the Dragon

After she unleashes a long-dormant form of fire magic to save fairy princess Stella from an ogre attack, she is invited to Alfea, a boarding school in the Otherworld for teenagers with supernatural abilities. There, she and Stella meet 4 other girls: the tech-savvy Tecna, the athletic Layla, the musically gifted Musa, and the nature-loving Flora, quickly becoming friends. For the first time in life, Bloom can finally be herself. But when ancient creatures named "the Burned Ones," attack the campus and start killing its students, Bloom, with the help of her friends must uncover Bloom's past and where her powers come from before its too late, eventually leading them to facing off with the darkest figure the universe has ever known.