Frank Q

Frank Q. is another crawler. He kills his fellow crawlers for experience. He entered the Dungeon with his ex-wife, Maggie My. After the death of his daughter, Yvette, he is a shell of his former self and dies at the hands of Maggie.

Frank is the one who gives Carl the Enchanted Night Wyrm’s Ring of Divine Suffering, which he does thinking it will ruin Carl's life.