Rilpirin commands the Orcs of the Dark Territory during the Underworld conflict, participating in the invasion of the Human Empire as part of the Dark Territory Army's forces. He possesses blonde hair and brown eyes. Operating under the Dark Territory's command structure, Rilpirin coordinates with fellow non-human faction leaders like the Ogre commander Furgr and the Goblin commander Ugachi. The Orc forces under his leadership bolster the military strength deployed against the Human Empire Army and its allies.