“Very little, and he’s flat out told me he doesn’t wish to discuss it further, even when I shared my own history as I’ve done with you. You must understand that I’m not the only Dark Lord who’s arrived here and rethought his options. I seek those like me out, to help if I can. Wei Wuxian told me, after some wheedling on my part, that he learned these so-called ‘wicked tricks’ so he could protect people he cared about from destruction and death. But in the end he couldn’t and that lead to his death. I don’t know details beyond that. We usually shift to comparing magical methods and theory instead. I’ve pushed as far as I dare.”