On Prometia, the Winx fall into the trap set by Orion and Valtor. Meanwhile, on Iridia, Obscurum turns all the Lumens into Staryummies. Will the Winx arrive in time to save Orion?

3. Attack on the Core - The Staryummies absorb all the light of Lumenia's core, plunging the star into darkness.Will the Winx manage to rekindle it? Meanwhile, the evil Valtor is preparing to ...