As far as I understand - zhyon is more powerful than any single dragon, therefore in such dialogue both of them should be more and more suspicious while thier talking progress', moreover the dragon should be more and more frightened but still trying not to show it directly (sorry for poor english). The topic, in my opinion, should be connected with some past events, with something where zhyon's real power was revealed (maybe a war or a single fight). I think it would be interesting.