Staying Behind For the Sake of Love!

The group manages to search around the home, and find a hidden room in the attic. By this time, Halcyform has already been defrosted.
They escape his wrath when Lina makes a whole in the ground around them. They land in a sewer like place in the home, where slugs are present. Lina gets scared and hang on to Gourry. They proceded to get transported to another place by Saygram, while Zelgadis and Amelia fight of the slugs. Then Amelia and Zelgadis manages to get kidnapped.
Shortly after, Lina and Gourry runs away after being transported and end up in a lab. They see a woman laying there, and Halcyform shows up. We learn his back story, why he is doing this. He is trying to bring back the love of his life, Rubia (the woman in the box) after monsters attacked them, and he wasn't unable to save her.
Amelia and Zelgadis shortly appears, wrapped up in a cococun, they fall into the pool, where they lose their energy, giving it to Rubia.
Lina figures out where the pledge stone is, and

Next episode

S02E06 - You Can't Escape! The Return of the Obsessive Martina!