Bloom and her friends search for Bloom's parents, Oritel and Miriam, while tring to uncover the secret of the lost kingdom Domino, which could change Bloom's life forever. However they stumble onto a plot by an evil force named mandragora and her three witches to infiltrate a dark realm called the circle of Obsidian, which will raise their dark power to a point that wil allow them to conquer everything! The only thing that stands in their way is the Winx, who might not even be able to stop them.moreless
The three schools desperately attempt to avoid destruction at the hands of the elements, while the Winx Club battles it out with the witches and Bloom faces off against Baltor who seeks to destroy the Winx Club, once and for all. But Bloom uses a spell that she learned on Pyros to defeat Baltor and she then begins the search for her parents...moreless
After his defeat against the water stars, the witches tell Baltor he needs more magic if he wants to be truly undefeatable, but they realise maybe they should not challenge him at all. Back at Alfea, the girls want to find Baltor and defeat him, sure that they will be able to since they have the Water Stars. But the three Magix schools soon have a bigger problem to deal with when nature suddenly turns against them.moreless
After surviving Pyros, Bloom returns to Alfea and must deal with seeing Sky for the first time since they were last on Eraklyon, but after a long awaited reunion, they must head to the Omega Dimension to help the others find Tecna and bring her safely home.
Bloom is still being attacked by dragons on Pyros, and she tries everything to try and escape them. Meanwhile, after Timmy finds her location in the Omega Dimension, the gang head there and try to save Tecna.
Bloom arrives on Pyros, an island inhabited by dragons, where she is instantly attacked and becomes stranded. Meanwhile, back at Redfountain, Timmy dedicates all his time into finding Tecna in the Omega Dimension through his computers.