The Huntik Team goes to The Organization's base and looks for information about Eathon Lambert. They then go to Peru and look for the waterfall mentioned by the Professor where Eathon Lambert disappeared. They are attacked by some evil seekers who want to restore The Organization, but they find a secret path on the back of the waterfall. Here they find an old Casterwill manufact, something like a portal to the Titans' world. They understand that Eathon has gone to the Titans' world and Sophie uses her Casterwill powers together with a titan of Zhalia's as well as Eathon's holotome, and the hologram of Eathon appears and talks to his son. He went to the world of Titans to prevent the consequences of a threaten for the whole world: the Blood Spiral. Eathon orders his son to help the Casterwill family to fight against the Spiral and gives him a clue: he has to interpret the prophecies of Nostradamus.

A new Organization team led by the charismatic Wilder takes over the Tower of Nostradamus. Dante, Lok and the team manage to stop them with some help from Nostradamus' predictions. On the way a message from Lok's father and clues from the Ancient Seer point the way to Avalon and the Magic Willblade.

Lok and the Foundation team are on the trail of Avalon. Sophie is drawn to a crystal cave where she must prove herself to the Casterwill Elder Nimue. Sophie learns she is a direct descendant of Lord Casterwill and bonds with the titan she thought was lost, empowering her and turning her into Powerbonded Sabriel. Nimue promises to help her find Avalon and the Willblade.

After Sophie's revelations in the Crystal Caves, the team search for Avalon and the fabled Willblade. Lady Casterwill tells them how her family allied themselves with the Titans when they first arrived on Earth.

Prague, The Czech Republic: The Huntk teams faces off against Lucas Casterwill, Sophie's brother. They come to an understanding and help find the missing Amulet of Void. Zhalia's plan lets them trick The Organization into revealing it's location in Klaus's library. Lucas explains the history of the betrayer who tried to summon the Nullifiers in the past.

Vienna Austria: Zhalia leads the team into Klaus's library to find the Amulet of Void. Both the Organization and the Foundation are ambushed by a devastating new enemy, The Blood Spiral -- lead by their old foe Rassimov. Dante manages to save himself by bonding with powerbonded Caliban but the Spirals are too strong, and Void ends up in their hands.

Rotterdam, The Netherlands: Zhalia returns to her old orphanage to find the Blood Spiral there recruiting orphans. She meets two orphan brothers, Harrison who chooses to join the Blood Spirals, and Den who turns to Zhalia for help. The Huntik team comes to the rescue and they end up with a new Huntik Foundation seeker, Den.

Paris, France: When the Ring of Arc vanishes, Lok, Dante, Sophie, and Zhalia head into the catacombs to find it. However the ring is actually the Legendary Titan of Fate, Arc. She traps each seeker inside a dream world where they must escape. The Huntik team maages to defeat Arc, but Dante's dream leaves him worried about the future.

Aegean Sea, Medusa's Island: On the trail of the Titan Medusa, the Huntik team meets the explosive Spiral hunter Kiel. Zhalia's plan to ambush Kiel fails and it is nearly a disaster, but Lok solves the puzzle and recovers the Amulet. Sad, Zhalia leaves Dante and the others to do what she does best: infiltrate the Spirals.

Venice, Italy: Den joins the Huntik Team to replace Zhalia, but he is not ready to be a hero. Meanwhile, his brother Harrison is training to be a Blood Spiral and is getting strong. Den runs away from the Foundation and is attacked by the Blood Spiral, the Huntik Team saves him. Zhalia protects Harrison and proves herself to the Spirals.

New York City, USA: Casterwill Elder Focauld is under attack by Kiel's deadly Blood Spirals. Dante and the Huntik Team are sent to the Cloisters to rescue him. In the heat of battle Sophie is forced to prove herself to the surling Focauld, saving everyone. However, Focauld is too stubborn to welcome Sophie into the Casterwill Family secrets.

South America, Jungle: Dante, Lok, Den, and Sophie meet with the Huntik Council. The Casterwill liaison Teien ask them to find and activate the Blue Star to signify the meeting of Casterwill Elders. Lok activates the signal as Dante and Sophie hold off Kiel, but Kiel reveals he was the one who destroyed her home when she was young.

Lok and Sophie are called before the Casterwill Elders, but Sophie can not convince them to fight the Blood Spiral. Her brother Lucas sends her to prove her worthiness to lead the Casterwill by finding the Legendary Titan of Valor, Mythras. As Sophie overcomes the challenges a Blood Spiral army marches closer.

The meeting of the Casterwill Elders is disrupted when Kiel and his Blood Spiral army attack. The Huntik Team fights alongside the Casterwills, and Sophie faces Kiel. Bonding with power bonded Sorcerell Sophie barely wins, leaving Lok to save her from a rampaging Ifrit King. After the battle, Sophie wins leadership of the Casterwills.

Following Lok's father's clues, the Huntik Team investigates the legend of the Pied Piper, looking for the Casterwill Family Titan, Umbra. Lok and Guggenheim defeat a monstrous swarm of Gremlow Titans and Sopie uncovers the Pied Pipe itself. Meanwhile, Dante uncovers another secret under the Sea of Cortez.

Den befriends a native American seeker and is given a new Titan, Kaiyo The Tracker. Wilder makes his return and captures the Huntik team as they explore the Vault of Cortez. Things look grim but Dante saves everyone by bonding with the Legendary Titan of Dimensions, Umbra The Shadow Jaguar.

Lok leads The Huntik Team in a mission to Romania to capture the wild Titan Antedeluvian. However, Harrison has already bonded to the Titan and is waiting for them. Lok fails to invoke Pendragon to save them but luckily Dante returns from his secret training in time, defeating Tantris with a new power, Copykind.

The Huntik Team joins Montahue and Tersley for a mission to recover the Casterwill Titan Phoenix. But powers and Titans can not be used because of the Lodestone, and the Blood Spirals have a headstart. Lok destroys the Lodestone and Dante plans to ambush the Spirals before they realise magic can be used again.

Sophie faces her fears again to challenge Shauna and Wind to a deadly battle in the volcano. Lok, Dante, Cherit, and Den fight with all they have but it looks like they are in trouble. Finally, Sophie leaps into the lava. She rises from the ashes having bonded with the Legendary Titan of Rebirth, Phoenix.

The Huntik Team seek aid from Grier an old ally of Dante's who, though he is a member of the Organization, shares a mutual respect. He is the ruler of an Organization stronghold Island where seekers use their powers openly. They ask for his aid in recovering the Professor's secret dossier on Rassimov from the castle.

The Huntik Team are given a mission to capture Rassimov, the leader of the Blood Spirals. Meanwhile, Harrison has completed his training with an ailing Tantris, who has passed on his strongest Titans, and he joins Rassimov on a secret mission to an Organization stronghold.

County Kerry, Ireland: After Lok is woken by a dream about his father the Huntik Team reminisce on their recent failure while enjoying the comforts of Lok's family home. They soon find themselves with a mission to uncover the Treasure of the Floating Ruins of Tír na nÓg.

The longest night of the year begins at sundown and the Huntik Team races against time to find the Spiral Mark. Eathon appears to Lok and tells him how to find the last Quatraine. As Rassimov invokes Void to activate the Mark, Zhalia alerts Dante who brings the whole Team with Umbra's power.

The Huntik Team try to prevent Rassimov from breaking the ancient seal of Lord Casterwill and activating the Spiral Mark. They must defeat Rassimov and his Titans and get Sophie to the center of the Mark where her Casterwill Legacy will prevent the use of the Mark.

Harrison and Den fight but Zhalia breaks cover to save them both from a cave in. The Casterwills and the Huntik Team clash with the Blood Spiral as Lok and Sophie fight The Betrayer. Zhalia is hurt trying to save them from The Betrayer's Titan, Demigorgan, but she's rescued by Den and Harrison together.

Den and Harrison join the fight against the Betrayer giving the Casterwills and the Team time to regroup, but the Betrayer's tricks are too strong, until Lok manages to powerbond with the Legendary Titan Pendragon and recalls his father's warning in Tír na nÓg, and also calls upon the Legendary Titan Quetzalcoatl. But even then the Betrayer seems too strong and he finally manages to activate the Spiral Mark... and then Umbra appears and delivers all that is left of Dante: a pile of ashes...