Zola and company meets the king who grants her access to the ancient library. Shu finally meets a true knight master. Bouquet arrives at the city to find it under attack from Nene's robotic shadow users. Shu and company joins the fight. An ancient scroll is stolen in the chaos and given to a mysterious character.

Shu and his friends want to hire an informant to help them find the Extra Seven but are told that an informant named Homeron the Great had died in battle against Gran Kingdom. At the same time, they meet the other Homerons ranging from Homeron the Original, Homeron II, Homeron the Legitimate, and Homeron Jr.. To pay for another informant, Shu heads off on his own to defeat the dangerous monster called the Gigarus and claim the reward. Shu and Blue Dragon managed to defeat the Gigarus and the group learns that the woman that hired Shu is actually Homeron the Great. However, Marumaro has gotten lost from the group.

Nene's flying fortress invades Raqueeva. When General Szabo questions Nene about General Logi's activity, Nene tells him to let General Logi handle Shu's group. On the trail of Logi's ship, Shu and Co. end up in battle with the Independent Flying Squadron again. This time, they've all been equipped with Power Boosters to make them more powerful and are instructed to fight them even if it is to the finish. Zola and Marumaro fight Gilliam, Todd, and Bishop while Cynthia and Schneider attack Shu and Co.

Gilliam is shown recuperating at Castle Des La Teste and recovers quickly in a plot to take revenge on Zola. Delphinium allows Gilliam to take the type-three models of the Black Shadow robots with him. Kluke and Bouquet argue where to go next when Zola tells them that they have to refuel the Mechat. Meanwhile, Nene is informed that the drilling beam on his flying fortress is almost up to power. The groups Mechat lands at a nearby Gran Kingdom strategic refueling base. While Shu and Jiro protect Kluke while she refuels the Mechat, Zola and Marumaro take on the soldiers positioned there. Zola encounters Homeron the Legitimate in the guise of a Gran Kingdom soldier. Gilliam receives word from Delphinium that the Gran Kingdom strategic refueling base was attacked and heads over to that area. Kluke is told by Zola to head to the Hippopotamus Ruins since Nene's flying fortress is heading there. Gilliam attacks and Zola engages him while the others fight his Black Shadows. Kluke solves Chapter Seven of the Extra Seven and uses the crystal on her necklace to power up Phoenix when the Black Shadows charge up their attack. Kluke uses this new ability to block the attack and send it back toward the Black Shadows. Zola uses Killer Bat's Hornet Assassin attack on Euphoria which annihilates Gilliam.