The Red Evening Sun is Seen - S1.E27

The battle for Nortram intensifies until the Vagans' main fortress is severely damaged and threatens to fall on Earth. To prevent that disaster strikes the planet, Asemu and Zeheart join forces on a suicide mission to destroy it from inside. Having fullfilled their duty, both pilots accept their imminent deaths and sort out their differences, until Zeheart is shown an escape route leading them to safety.