Two hours later, Xu Yi emerged from the bedroom drenched in sweat, his steps unsteady.
Seeing how utterly exhausted he looked, Stille, who had been waiting outside for ages, hurried over to support him. "What did the two elders do to you? How did they leave you in this state?"
Xu Yi shook his head with difficulty, too drained even to speak.
After he had stripped naked, Elder Elusia and Elder Lysania had used their mana to examine every inch of his body with extraordinary thoroughness, not even sparing his most private parts.
According to Elder Elusia, this was because humans and the Elf Race were different species after all. Although they looked very similar, there were still subtle differences in their bodies.
Most of the time, these differences were neither obvious nor particularly important. But they had an enormous impact on the special mana meditation method the elders wanted to teach Xu Yi, so every tiny difference had to be clearly understood.
Of course, a physical examination alone would have been manageable. But afterward, the two elders had sent their mana into Xu Yi's body to conduct an even more meticulous examination of every mana channel-the pathways through which mages circulated mana within their bodies.
This examination consumed a great deal of mana. To cooperate with the two elders, Xu Yi had been forced to keep mobilizing his mana, sending it through every channel in his body again and again.
Simply guiding mana was not difficult for a mage. The problem was that, to determine how well his body could adapt to the Elf Race's special mana meditation method, the two elders had also made him continually use his mana to vibrate every cell in his body.
This method burned even more energy than strenuous exercise. Although Xu Yi's