His words landed, and the entire place ushered under heavy silence. If any of them heard these words before, they'd have laughed at him. But now, after seeing how scary these Mystic Arts were, it was understandable for them to get shocked and terrified.
They knew William wasn't bluffing, wasn't joking around, or fooling either. He knew what he was doing, and held the upper hand by delving into a turf unknown to them, and yet could impact all of their lives.
William did indeed have such Mystic Art, one that could be described as a contract on a higher level. It was something that'd place one's fate and destiny into others' hands. It meant if they tried to think evilly about him, or the human masters, tried to fake wrong answers to any questions, provided false support and intel, or even tried to work behind the curtains and scheme, they'd get a severe form of backlash from that world.
