Lex forced himself to accept that it was impossible to keep Liz inside the Inn forever. While the Midnight Realm was more than sufficient to provide someone with a lifetime of experiences and opportunities, it also allowed them to interact with beings from across the universe. Naturally, there would be times when a person might be tempted by the unique opportunities available elsewhere.
If Liz wanted to help people, there were entire civilizations inside the Midnight realm who might benefit from her help. In fact, Lex had detected something sinister going on within the realm - something that he was unable to pinpoint the origin of. Figuring that out would also be an opportunity to help countless beings.
