Divine Hint: Reporting An Escaped Convict From The Start - Chapter 90 - Snow Leopard Blocks the Way, White Cat

He was about to join the beta test on the newest VR games, Second World.

But an anomaly threw him into a world with familiar rules, a rule he usually only experienced in a game.

Now he must use his past gaming experience in this new world.

It was no longer a game, it was survival! A strive to reach the highest level possible.

Equipped with dual-class of melee and magic user, John was set on the path to become the strongest character in this brave new world.

He is a young man without a spirit root. It is believed that this denies him the chance at cultivation. However, a mysterious lady imparts a Supreme Demon Classic to him and from then on, he starts his path of cultivation.
He undergoes a total transformation to emerge as the most fearsome and powerful fiendish demon in his era, that even immortals and fiends are fearful of him, and saints are at his beck and call.
Mastering the Supreme Demon Classic is the turning point in his life. He is able to unleash his immense and divine power from within, illuminating the entire universe!

- Description from Novelupdates

In the heavens, where the Divinity resides, there exists the records of life and death.After the fall of the Gryghori onto the earth, the land of man is corrupted. Abominable creatures never before seen are born of the consummation of heavenly and earthly beings and spread across the land to further corrupt the world.A thousand millennia later, humanity has created civilization once again, based on the knowledge left behind by these Fallen Angels.However, in this new civilization,Man is not alone.Nero is thrown into a world infested with demons, the souls of the dead Nephilim, and abominations of all shapes and horrors, when he stumbles across the very eye of the Divine.A story that preludes an apocalypse and the existence of slumbering evil that threatens to envelop the earth begins.This isn't a story of fulfillment or triumph.These are the very Records of the beginning of the end.Welcome— To the Land of the Abominations.

Chen Yu has the Sports Medicine Master System, which allows him to make precise diagnoses and gives him CT-like eyes.Yet he gives up his promising career in the hospital but chooses to serve sports stars in NBA.