Chapter 2307: variable

"Hmm?"Chuck Hao's expression slightly changed and asked, "Is this the reason?"
"Of course!" Southern Emperor said, "The original purpose of the creator of this technique was to make himself live longer, so the technique he created was the Elixir Refiner technique. Elixir Refiner can prolong life. With continuous improvement, the Longevity Secret has become one of the top techniques in the Immortal Realm today."
"But later on, it was discovered that no matter how you extend your life, you...