The Winx go to Tides, except Stella, who intends to find a way to stop Cassandra and Chimera from ruining everything and manipulating Radius. Bloom, Flora, Musa, Tecna, and Layla meet the king and queen of Tides, who tell them about Baltor. The five Winx find some corrupted mermaids, transform, and try to turn them back to see how powerful Baltor's magic is. They are unable to break his spell on the mermaids.
Layla says they should close the portal to Omega before Baltor releases other prisoners there. Bloom gets visions of Sparks every time Baltor's name is mentioned.
Baltor gives Icy a new power, because she is his favorite of the Trix. The Trix fight the Winx, during which Baltor realizes Bloom's identity. While Bloom fights Icy, Layla traps Stormy and Darcy. Determined not to lose in front of Baltor, Icy knocks Bloom into the water. Baltor raises an arena out of the water with Bloom on top of it, and appears before her. He tells her he wants to be the greatest wizard in the magic dimension.
Flora, Musa, Tecna, and Layla use Convergence to defeat Icy. Baltor tells Bloom they will do battle, but at the right time. After easily stopping and crushing Bloom's fireball, he says she is too tired to fight and an easy victory against her wouldn't satisfy him. When Layla confronts Baltor, he casts a spell to make her blind.
- Bloom, Flora, Musa, Tecna, and Layla go to Tides
- The Trix are less of a threat than in the previous two seasons, and are more easily defeated
- Bloom meets Baltor face to face
- Baltor casts a spell on Layla to make her blind