Sirenix (Form)

Previous Transformation: Harmonix

Next Transformation: Unconfirmed

Sirenix is said to be the transformation of Season 5. Molly Quinn, who voices Bloom in the Nick version, confirmed this on her Facebook page. It is said to be water related and the Winx will have to look for this ancient power to fight the villain Tritannus as their Believix powers are too weak underwater.

In a recent leaked video it was revealed that there is a curse on the Sirenix.