The Lich paused for a moment, apparently considering the Chitine's words. "The Shiranui harlot, whatever she calls herself these days, is a Tanar'ri, a Demon. Demons are not known for their trustworthiness. I admit I am intrigued at the prospect of her owing me a favor, but I do not have any confidence that she shall honor her debt to me."
"If I give you the book in exchange for the Illithid artifact and allow you to live, what guarantee do I have that Shiranui shall repay my generosity?"