The rebellious Ouni takes Chakuro and Lykos back to her island. She explains that she's an Apátheia, a soldier who's lost her emotions.

After naming Suou the new mayor of the Mud Whale, the elders tells him some secrets. Chakuro has a disturbing vision when he meets Neri.

The Mud Whale's magic users begin training to use their skills in combat as part of Suou's defense plan, but not everyone is happy with his decision.

Imperial forces attack the Mud Whale during a sandstorm. Now Ouni and Lykos must lead the defense squad to fight for the island.

Lykos confronts the Imperial forces and Ouni attempts to help her and Chakuro reach the Nous. Shuan and Liontari continue their duel.

Though badly outnumbered, the Mud Whale's defenders continue to fight valiantly. Ouni and Nibi make a last stand against the Imperial forces.

Orca is brought before the military high command for judgment, but he's in no mood to accept their decision. Lykos confronts Rochalízo.

Now that they know the truth, the Mud Whale's residents face a decision. Meanwhile, Orca carries out his own plans in the empire.