Artholath sighed. He didn't quite know if the lab was still functional in any sense of the word, considering it had been abandoned for a thousand years and raided by demons, including himself. A thousand years of a spell decaying would not be pretty. Nonetheless, there was no other secure location to speak of, so he brought the last image of the lab in his mind that he could remember before he and other demons had raided it and hoped for the best.