With just a short glance between the two, the king got what Sloth wanted, didn't say anything, and left.
He knew everything about this master's reputation, after all, he was one of the strongest three in the entire world. But he also knew he was a good person, and wasn't the type to do something rash out of impulse.
The worst he could do was to insult William using mean and harsh words, not using any strength or power in the middle. And that was why he and other masters weren't that worried about William.
They all were right about everything, but there was one more thing they didn't know about. That master already stayed on the side all the time, watching how William acted and behaved since the early moments of this war, even before the war started.