Ep. 24: UN forces assault Kurobe Dam while Muetta and Kennosuke fight Efy Dolgh forces in a decisive battle.

24

Muetta joins humans against Efy Dolgh, prompting a UN assault on Kurobe Dam. Kennosuke proposes to Yukina before the fight. Sophie, Muetta, and UN machines battle enemy Relics outside, while Graham and Hiromi’s team secures the interior using Zeru’s data to stop the wormhole. Muetta and Kennosuke defeat Mirasa and Yaruba with Sebastian’s help. Refill merges his Relic with Imusa’s to form a giant robot but is defeated by Yukina, who kills for the first time. Zeru mortally wounds Refill in the ship, revealing he is a clone. Zeru forces Refill to shut down the wormhole, who then warns that Efy Dolgh view humans as a threat and will send a new invasion force to Earth in 220 years.