Chapter 872: Chapter 866: Mortal Saint Alchemist, World Manifests Transcendence

Each World Sea contained eighty-one Mystic Rune Seeds, for a total of 324. While all eighty-one sets of four were exactly identical, this was definitely far beyond the norm to be contained within a single body. 

Typically, when a Star Core Phase cultivator, those who've reached the absolute peak of the Astral Core Realm, the ninth-stage, refine sufficient mystic essence, manifesting these eighty-one Mystic Rune Seeds, then they attain the undeniable qualifications to take the incredible challenge to ascend beyond Mortal Limits.

Whether they succeeded or not, completing all the necessary requirements, that was an entirely different story.

Wei Wuyin closed his eyes, inspecting the changes of each Astral Core within his body. They were all thrumming as the eighty-one Mystic Rune Seeds seemed to be undergoing a strange change. There wasn't any discomfort within his body. This caused him to grow curious.