Su Yunzhi was not surprised by Ye Xiaoyao's skepticism.
After all, at their level of cultivation, there was no need to write anything down by hand; one only needed to channel the power of their immortal soul to directly record the information into a medium.
Therefore, Su Yunzhi immediately said, "The records concerning the Primordial Divine Fire are a secret of the Su family, and I only read them in my early years!"
Chapter 525