Winx Club Harmonix Style : Harmonix is a temporary transformation after Believix and before Sirenix and it is in the 5th season. Harmonix is the third transformation to be received from a magical source, the first and second being Sophix and Lovix. The Winx use this temporary fairy form to complete their quest for gaining Sirenix. Harmonix allows the Winx to use their magic easier in mid-air, on the land and underwater. It also helps the Winx swim faster. Exclusive Games