Admiral Grillpalzer convinces Admiral Knapfstein to join Reuenthal's side while betraying him later. Mittermeyer discusses battle plans with his subordinates. Wahlen tries to convince Reinhard to exercise restraint. Murai arrives at Iserlohn as Reuenthal's messenger of negotiations. Julian decides to refuse Reuenthal's offer. To accept it would be a short term gain with consequences later from the Empire. Reuenthal and Mittermeyer talk about resolving the situation, but are unable to persuade each other. Reuenthal had realized that Reinhard needed a strong opponent more than anything else. In Reuenthal's fleet, unrest is brewing. Reuenthal explains to his soldiers they are fighting against villainous vassals within the Empire. Moreover, Reuenthal had to secure a victory to raise morale.
宣戦布告があったわけではないが、ロイエンタールの叛乱は既定の事実となっていた。帝国の内戦により俄かに戦略上の要地となったイゼルローン要塞に、ロイエンタールの使者としてムライが訪れる。帝国軍の回廊通過を阻止すれば旧自由惑星同盟領全域とトリューニヒトの身柄を返還するというロイエンタールの申し出を、ユリアンらは拒絶した。新領土に向けて進発したミッターマイヤーは、ロイエンタールとの最後の交信を試みる……。