Episode 35, "Fortress vs. Fortress Akt II: Fierce Fighting"
Synopsis: Interim Commander Caselnes is forced to trust Guest Admiral Merkatz with the defense of Iserlohn Fortress. After the retreating Imperial landing parties are targeted, Meuller is provoked into attacking with his main force. This lures him into an encirclement attack by Merkatz, who devastates his forces. He's forced to wriggle his way out of the trap. It's at this point that Mueller retrieves word that Yang Wenli is not at Iserlohn. He relays this news to Admiral Kempf, but the leader of the operation is skeptical.