She Professed Herself Pupil of the Wise Man (Manga) Vol. 11

FATHOMLESS FORTRESS

Mira teams up with powerful members of the Isuzu Alliance to apprehend Chimera Clausen’s leader, which means heading into a hundred-level dungeon. There, Mira and her companions encounter a mysterious individual battling the Chimera on his own. Is he an enemy, an ally, or something else? Whatever he is, he may have important information to impart to Mira!