Ant Queen

The Ant Queen decided to expand her colony into the mine after Rim disappeared and stopped eating her workers. Kinji confronts the Queen with her workers’ demands, but she decides to simply kill and replace them. She later befriends Kinji and the other become part of the Dungeon Black Company. Having fled with her colony from earthquakes they are hunted by the Raiza 'ha Mining Corporation and other monsters as a result she gains a special ability that gives her a human form. The Ant Queen later runs the profitable mines with the help of the emergency manual Kinji wrote.