C714 The Great Battle of the past

"A mystery that has perplexed us for a millennium?"

Ye Yu's eyes flickered with astonishment. He had never imagined that he would inadvertently unravel a thousand-year-old enigma!

"Indeed! A millennium-old mystery!" Lee Wuzhen let out a wistful sigh.

"Do you know the ascension ratio from Grade Six Core Embracing Stage to Grade Seven God Ascension Stage, Junior Brother?" he asked