What Old Yao called "Time Conversion" was really a euphemism for "manipulating time."
After all, the Alliance was a respectable institution, and the word "manipulate," in any dimension, inherently carried a hint of supervillain flair.
And in the current situation,
Time Conversion specifically referred to the narrower field of "turning back time"—by reversing time, the two young wizards would have enough time to study multiple subjects without being left with no time even to sleep. Zheng Qing was no stranger to the concept; the moment Old Yao mentioned it, he understood the deeper meaning.
It just did not seem like an easy thing to do, from what he remembered.
Nor was it particularly safe.
"I remember that turning back time causes spatial folds, right? Repeatedly 'adjusting' time seems to make this space collapse ahead of schedule... Isn't that rather unsafe?"
Hesitating, Zheng Qing subconsciously touched the silver Pocket Watch hanging from his belt.
During the freshman winter hunt, the gentleman had briefly turned back time in a Small World within a Sandbox World. Soon afterward, that Small World had collapsed under the backlash of temporal power. The sight had left a deep impression on Zheng Qing.
Behind the blue smoke, the professor's tiny black eyes followed Zheng Qing's careless movement and glanced at his silver Pocket Watch. After a pause, a thick cloud of smoke rose up and blocked his view.
"Theoretically, that is true. But magic exists to shatter many truths deeply rooted in people's hearts."
Old Yao was indeed a professor specializing in Magic Philosophy, and his words always had a certain flavor to them. "Take this world, for example. It seems to be a single whole, but in reality, it is clearly divided into two parts—First University and everything outside the school.
"First University has countless high-risk