This powerful suppressive force had reached an absurd degree. Judging by Wizard Zorn's expression, this was definitely not a phenomenon that had spread among wizards. What he had witnessed today would probably leave the usually carefree Wizard Zorn sleepless all night. Sometimes, a difficult problem was merely a thin sheet of paper—when one could not see through it, it was incomparably solid; once understood, even a stray breeze stirred by casually lifting one's head could blow it away.
There was another tragic kind of case in the history of wizards: wizards crushed beneath the wheels of the age. Sometimes, progress in a certain field of research or an accidental gain during an experiment could, without warning, utterly destroy the wizards walking a particular path. That mature path would naturally not be completely ruined; mature paths all had solid foundations. New power would once again bloom with the light of wisdom upon the old road, illuminating new routes. But those wizards who had delved so deeply that there was no turning back, or old wizards at the end of their careers, would be ruthlessly ground beneath the wheels.
Ruger guessed that his teacher might have achieved some new results in the field of demon research.
Yet there was something he could not understand. His teacher had advanced so quickly, yet still had time to do other things and make breakthroughs in them. And judging by the situation, that was far from all. His mind found it rather difficult to comprehend.
"I can't stay for too long..."
The demon turned back toward Ruger and waved a hand. A flash of scorching heat swept past.
"No matter what you say now, they cannot hear it," the demon said with a smile. "As compensation for breaking our appointment, and as your teacher, you may