A riddle from the Sirenix Book sends the Winx to Melody, but while there, Musa is turned into a monster by Tritannus.
- Celestial Deadline: Bloom points out that at the time of the episode, ten days remain until the lunar cycle finishes. The Winx have until then to finish the quest or they’ll permanently lose their powers.
- Forced Transformation: Musa being turned into a giant mutant seal. Her bond with Sonna, the guardian selkie of Melody, reverses the transformation.
- Taking the Bullet: Musa does this when Tritannus attempts to put a curse on Aisha, and is as a result transformed into some sort of mutant monster seal.
