After the revelation of being a Luthor, Tess (Lutessa) becomes Lionel's heir and inherits his fortune and treasures as a result which included a kryptonian mirror box which Clark accidentally used to travel into a parallel universe where he finds his counterpart is the son of an alternate-reality Lionel Luthor (the parallel Earth's de-facto supreme ruler, or at the very least the de-facto supreme ruler of the parallel world's Metropolis). Although Clark eventually finds and uses the mirror box again to return to his universe, the Lionel from that reality also escaped.