Listen, he doesn't really get it either. Harnessing negative energy might be useful, but somehow this place pulled in two Masters of Demonic Cultivation and what appears to be mistaking one for a third, yet... Haven't asked for any usable tips despite what they claim.

As for positive emotions, he is getting the feeling that those can also be cultivated, but to what extent? And why?

"Yan Bingyun, it is not so simple. The hotel likes to play games." He doesn't know why, and apparently isn't all that forthcoming with explaining things in a way that makes sense.