11화: 전투 중 소행성 온천이 발키리의 영혼을 치유하다

11

During the battle the asteroid is shot and a hot spring gushes from it. It also has a healing effect of curing souls, and Valkyrie's soul is healed by this hot spring. Now that she is healed, she no longer needs to be with Kazuto. (Source: Wikipedia)