|This article is about the transformation. You may be looking for song or the episode.|
To acquire it, a fairy must complete a quest to find 3 gems for her Sirenix box with help of the Harmonix power, while being guided by the riddles from the book of Sirenix and with help from her Sirenix guardian. If they fail, their magical powers will be taken from them forever. However, the Ancestral Witches have placed a curse on it, which would result in the power turning over the fairy herself, leaving a soul without a body, like it did to Bloom's sister, Daphne.