Portals are magic interdimensional doorways that can bridge the Demon Realm to the Human Realm.[1] The first portal that appeared in the series was a door that connected specific locations between the two realms, until it met its destruction. Since then, its technology has been replicated by others to create more portals for the same purpose. When dormant, the original portal door resembles a brown attaché case with a large, yellow, slit pupil eye on one side. When activated by pressing…