The Great Mage Returns After 4000 Years - Chapter 621Book 2

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

When he opened his eyes he found that he had been reborn as an extra in a novel, which he finished reading yesterday. On top of that, he has become a student of the same battle academy, where the main plot will happen. Let's accompany Rio on his journey and find out where it leads us.“i will steal protagonists chances, as for what will happen to main plot if i do so? i don't care!” (Rio)*The book cover doesn't belongs to me if someone wants me to take it down please contact me directly.*(MC is selfish and cares most about himself, rather than following the main story he will follow his own will. and there's no harem too.so, if you like a hero of justice and a plot following type mc with a harem or something then this is not your cup of tea.)

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.

Having transmigrated to a new world and becoming an ordinary Blacksmith in a Blacksmith Shop, Ye Feng shortly has the Master Blacksmith System activated.