A Being From Purgatory.

Seren expressed a regret that she could not hide in her words a moment ago. Some thoughts that had sprouted in her when William had rescued them an hour ago now surfaced without her noticing.

It didn't matter how dangerous William was. The important thing was who this danger was against. She hadn't seen any bad thoughts in William's gaze until now. Therefore, she could only generally judge the sense of danger emanating from him. She had just finally figured out what kind of person William was. If you were his friend, everything would be fine, the world would lie at your feet, but if you were his enemy, woe to you.

Seren bit her lip and stared at the grey fog that engulfed William. The fog was invisible, and all her teammates, including her, were curious about William. In fact, right now, Cora and Seren were unconsciously biting their lips.