Ep. 8: Flashbacks reveal the Deucalion's discovery and Asseylum's identity, while Slaine endures Cruhteo's torture at Landing Castle.
The Watdatsumi crew discovers the Martian battleship Deucalion hidden under Tanegashima. Asseylum reveals her true identity to the crew and uses her royal blood to activate the Aldnoah Drive. Magbaredge agrees to protect her and escort her to UFE HQ. On deck, Asseylum sees birds for the first time with Inaho. Meanwhile, Slaine is captured by Cruhteo and taken to Landing Castle. Cruhteo tortures Slaine to learn why he betrayed him, while Saazbaum watches. Slaine remains silent about Cruhteo's loyalty and recalls childhood memories with Asseylum on Mars. He eventually reveals that Asseylum is alive and that Martians carried out the assassination plot. Cruhteo orders a ceasefire to find the conspirators. However, Saazbaum attacks the castle, killing Cruhteo and capturing Slaine.
Episodes
- Ep. 4 · Martian bombardment of Shinawara prompts evacuation and Asseylum's secret plea to Inaho
- Ep. 5 · Martian Emperor pauses conflict while Inaho defeats Vlad and Slaine fails to warn Vers.
- Ep. 6 · Slaine is exiled as war breaks out and a Martian Kataphract attacks the carrier.
- Ep. 7 · Inaho and Slaine cooperate against flying arms while discovering a hidden facility.
- Ep. 8 · Flashbacks reveal the Deucalion's discovery and Asseylum's identity, while Slaine endures Cruhteo's torture at Landing Castle.
- Ep. 9 · Rayet and Marito confront trauma in simulators while Slaine learns Saazbaum's conspiracy
- Ep. 10 · Inaho Revives Asseylum While Rayet Takes Hostages and Saazbaum Reveals Martian Truths
- Ep. 11 · Saazbaum attacks UFE base with missiles while Asseylum attempts to disable the Aldnoah Drive
- Ep. 12 · Yuki and Inko escort Asseylum while Inaho fights Saazbaum and Slaine discovers his Aldnoah core activation ability.