Dark Bloom is the dark personification/counterpart of sixteen-year-old Princess Bloom, which awakened within her with the secret aid of the false Professor Avalon. in Season 2 and Season 9: Son and Daughter of Sky where Sky becomes her beloved boyfriend who decides to be with her counterpart instead of her. She is technically Sky's second girlfriend but also the alternate counterpart of Bloom. When fully taking over her counterpart's body and mind, it coverts her unusually strong Winx/Fairy magic to dark; similar to shadow magic wielded by witches of various magic levels. In the Ninth Season of Winx she is revealed to inherit Normal's Bloom personality of caring kind and loving which was the result of Sky becoming the Fully Realized Mystical Master upon defeating Valtor Dark Bloom mostly interacts with him through his dreams until she was brung into reality by the Dark Magical Energy flowing within Bloom herself. This dark Winx/Fairy form appears in the Fate of the Phoenix special episode. Dark Bloom's Villainous actions were revealed to be the result imbalance between the Fifteen Day War occurring and Sky's inaccessibility these acts were reversed after the Master restored balance the reestablishment removed her evil nature and therefore allowed her to inherit Bloom's characteristics. After Sky restored Balance as the Mystical Master she is an Entity that lives inside Bloom's body and the Master's dreams according to Sky who finds her equally attractive to normal Bloom she is the delinquent side of Bloom rather than a evil counterpart of her.