Zola and the team assault the fortress to free the captives from the city. Logi defeats Zola, then defeats both Jiro and Marumaro. He leaves for an audience with Nene, leaving the twins in charge. Shu manages to manifest and control the Blue Dragon, defeating the twins in the process. Shu and the rest then receive a mission to escort Legolas to the capital.

The gang begins the attack to attack the grand kingdom. Logi attacks with his dragon.

Marumaro finds himself in hot water when he flirts with the innkeeper's wife, and he's in even deeper trouble when it turns out the inkeeper is a Shadow Wielder who deserted Gran Kingdom's army with the "wife" being his shadow. They soon learn that Marumaro isn't from Gran Kingdom. Marumaro and Saber Tiger later defend them from a Gran Kingdom captain and his troops with the innkeeper on his bounty list. Marumaro and Saber Tiger defeat them and they reunite with Shu and the others.

Homeron informs Shu and Co. about Delphinium who is a Secret Intelligence Agent from Gran Kingdom responsible for the theft of the Extra 7. The group then sees the warships of Sabalu Country (which used to be part of Gran Kingdom) passing. Zola concludes that they give the Sabalu Country airships a warm welcome when the Warship Norg is amongst the Gran Kingdom ships. They managed to obtain one of its Mechats for that action. As the battle starts, they find the Norg and Shu uses Blue Dragon to get Homeron on board. When Kluke lands the ship on the Norg, a fight between the robotic soldiers ensues. Homeron manages to gain some information and prevent the Norg from crashing. He then tries to get info from the ship's captain on where it took Delphinium. When he does squeal that General Logi has the Extra 7, the Norg starts to descend to the ground.

When Nene's fortress starts attacking Coreed, Conrad has Shu and Co. ride giant birds called Gryphs to Nene's fortress while Conrad and the others fight Black Shadow Type-Two robots. Zola also tells Shu and the others that Nene is one of the descendants of the Soldiers of Light. They successfully infiltrate the fortress. Once inside, they end up in the S-Field and fight Black Shadow Type-Three robots which have nanobot technology that enables them to regenerate. After recurring take downs on the Black Shadows, Bouquet and Hippopotamus manage to find the control room General Szabo is in and gets in as Nene. Bouquet then reveals herself and then transforms into a Black Shadow Type-Three and manages to use Hippopotamus' new ability to copy the optic attack of the Black Shadow Type-Three which sends General Szabo flying into the air and exploding. After Bouquet shuts down the Black Shadows, Shu and the others locate Nene's throne room for the final battle.

Shu has a dream of a mysterious girl telling him to save the world. After Noi helps reawaken Bouquet's Hippopotamus, Shu and Bouquet talk about Noi including about his mysterious ability to revive lost shadows. Shu then tells Bouquet that something is not right in the world and says that they will be heading to Marumaro's village. Meanwhile, General Logi is in the middle of world conquest when his second-in-command Matilda tells him of an important matter. Rosekstan's capital Albarose is then invaded by a woman who has the same characteristic as Noi. Having his guards taken down, Logi faces the woman. The woman however wants a fair fight so she reawakens Odin from his slumber with her Tousen Genbaku. Shu's party later has a run-in with a mysterious man named Mikhail stating to be a 'Investiture Being', and also a shadow wielder whose shadow is a splitting red of the red dragon they fought before. Overwhelmed as their fight rages on, Noi reluctantly uses his Tousen Bardagir move that gives Bouquet and Hippopotamus the ability to merge with Shu, giving a new armored form for Blue Dragon to overpower Mikhail but not defeat him

Conrad and a Knight Master named Griz join up with resistance headed up by Legolas and Daner in a nearby city and joins him in exploring the ruins of the Investiture Beings there. Shu, Bouquet, Marumaro, and Noi arrive at the city as Lotarus is encountered by Delphinium and Deathroy. Deathroy unleashes Chimera as White Brigade's weapons fire at Lotarus. She manages to evade the weapons and Delphinium's shadow before turning into her dragon form. While Lota deals with Delphinium and Deathroy, she also unleashes winged creatures that attacks the White Guardians. Lota takes the opportunity to escape while Delphinium and the White Guardians are occupied. Shu meets up with Legolas and Conrad and they descend into the underground caverns that are underneath the city. Noi then reads the messages found on the floors of the cavern. When Shu has Blue Dragon punch the artifact on the wall, he is sucked in.