[ hua cheng makes a small, amused noise. ]

Did he say that? Dianxia told me he scolded Black Water, and revealed that he knew the truth of his disguise.

[ and he'd foolishly done so alone, at that. hua cheng doesn't think that he xuan will be a danger to anyone (...mostly because he doesn't know shi qingxuan is here), but that doesn't mean he wants xie lian alone in a room with him. ]

It still may be worth playing along for now, though.