Does Quan Chi bởi any chance speaks another language and if so, what language would that be?

Gotcha and particularly the Brotherhood of Shadow to which he belongs to/he is a member of. That and in his magical incantations

Yea and if it does have to do with the Brotherhood of Shadow, that makes the danh sách even shorter. I think the only one then who could know is Reiko since he was a former member.