Omnia, Stella and others in “Unfinished Business”

Winx. as Sirenix fairies, you are each given a wish. You may ask your guardians' to grant it. But only after you have pleased destiny.

Stella

There's always a catch.

There is something else. Something evil has entered the Infinite Ocean.

Aisha

Tritannus!

He is stronger than before. And he has powerful allies who possess dark Sirenix.

Stella

The Trix!

To rid the Infinite Ocean of their evil, you must develop your powers fully.