Global Awakening Starts with Saving School Beauties

[No system, single female protagonist, decisive killing] When Lin Feng was eighteen years old, a sudden beast wave tore apart the peaceful campus life. He was once ridiculed for being "frail", but he was the only one among billions of people to have a "primordial constitution" that was born with no attributes, but could integrate the essence of all things! A mysterious ancient stone called "Matching the Sky" parasitic in his mind. It gave Lin Feng the wisdom that he could never forget, but it also absorbed his life essence like a glutton. He can only keep devouring the source core of the alien beast! Integrate the elements of heaven and earth! Use the body of the Yuan Dynasty to forge the power to mend the sky!