Just as Claus and Lavi deliver their message to Duke Madossein, The Guild is hit. Duke Madossein instructs everyone to get to safety, and Claus and Lavi are escorted to their vanship. However, just as they are about to leave, Claus remembers he still has his letter from Holy. Lavi rigs the PA system in order to read it to the Duke and everyone else on board. However, this could be cut short as the first officer send guard to stop Claus and Lavi. But the guards aren't the only ones heading for Claus and Lavi, as Mullin Shetland is touched by the words from the letter.

Exile enters Disith territory, followed by the Guild and alliance fleets. The alliance fleet loses one-quarter of its ships after Exile continues its indiscriminate attack, but Sophia orders it to continue at all costs to defeat the Guild. In the Grand Stream, Dio pursues Claus's vanship and relives their race at Horizon Cave. However, when he realizes Lucciola is not with him, Dio falls into despair and is thrown off his vanship by a gust of wind. Just as the alliance fleet falters in its attack, the Urbanus leads the remaining ships in protecting the Silvana as she makes a final attack at Delphine's ship. Alex, still a prisoner of Delphine, catches her off-guard and strangles her before breaking her neck. As the Silvana destroys Delphine's ship, Wina hears Alex's final words at her listening post. Claus and Lavie finally cross the Grand Stream into Disith, completing the feat that their fathers could not achieve. There, they find the remaining alliance fleet and bring Alvis to Exile. Claus recites all four Mysteria, to which Alvis responds, and Exile sheds its defensive cocoon to reveal a starship. Inside it, Claus and Lavie find their fathers' vanship and remains. The world they have been living in is revealed to be in the shape of an hourglass, and Exile takes Claus, Lavie, and many others to a new, conflict-free world. Claus and Lavie are reunited with Dunya and Mullin, the latter of whom has recovered from his injuries. They are joined by Alvis, Tatiana, Alister, Holly Mad-thane, and several children.

In the skies above the sacred Grand Lake, the Ades Federation declares war on the kingdom of Turan. Just when the Turan flagship's destruction seems inevitable, a Sky Pirate named Fam boldly states, "I’ve made up my mind! I’m going to steal that ship!"