Forum:The Lich. Where is he?

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Okay, so, I'm wondering what your guys thoughts are on The Lich. Ever since the episode, Jake the Dog, where  Jake wished for the Lich's wish to be that Jake and Finn were transported back to Ooo, I've been very much certain that the Lich is still out there somewhere, perhaps in a different universe. Because it's not like he has stopped existing. He's not dead. Their wish didn't wish for him to die or anything that really related to him not existing. Jake's wish is as follows "I wish the Lich's wish, was for me and Finn, to go back home to OO." And what happens after you make a wish, is that you are transported out of the time room, immediately. So he is around somewhere. He's gotta be. What do you guys think about all this? It's been bugging me and I've got a feeling The Lich will return. He's like ultimate evil.