Jiang Chen was completely stunned by Yuezhi's question.
He had cultivated the Myriad Dao of the Heavens, so he understood the concept of projections. A so-called projection was when a powerful cultivator used a living being's past to create a brand-new illusory world as a trial ground. He could do this as well—extracting a period of time from a being's life to serve as an illusory projection.
However, the being involved should never be able to sense any of this.
Chapter 2172