Just a guess

"Your Excellency, could you please take the time to explain to me what you are talking about?" Old Volp furrowed his brows tightly, the mockery was clear in Robin's tone but he didn't dare to respond in a bad way. 

"You are the one who deals with the Overlord? Well then, I have a few guesses and they are all bad, after you answer a few short questions I will give you the most suitable bad guess among them, how about that?" Robin opened his arms innocently, then looked into Volp's eyes seriously, "Tell me first, what does your Overlord look like, what is your general impression of him?" 

"I don't know, the time we saw him on Planet Gudah he was a pure white soul fragment, and when I met him in prison it wasn't in his body wither, it was through a vague voice transmission device… I don't know what he looks like and I haven't heard his voice." Volpe nodded