I am grinding experience in another world - Chapter 25 - Third Rank

The world that nurtured the civilization which reached the pinnacle of magic was on the verge of destruction.
The last survivor transmigrated to the past, when the magic civilization started growing, as countless mages were still fumbling their ways through the thorny paths of magic knowledge.
He, who came from the end of the magic era, aim to reach the pinnacle of magic.

Within the virtual world of “Avalon Online”, Finn, or otherwise known as “Echo” within the game, was one of its greatest players. After logging off from a long session, however, he notices something awry outside of his apartment.The streets were flooded with chaos, screams echo through the night, and hell is loot loose. Monsters from Avalon Online are running through the streets, wrecking havoc. In the midst of this hellish awakening, Finn is greeted with the one gift bestowed to humanity in this dark hour:[...Assessing life experience…][Assessment Complete][Name: Finn Thorne][Age: 20][Designated Class: Assassin][Starting Level: 5][A [Legacy System] has been bestowed to you for your accomplishments within Avalon.][Assimilation System Awakened.]In this twisted turn, as the world as it was once known is gone with the arrival of magic and monsters, the remnants of humanity must level up if they wish to survive.Finn is left in this dark, hopeless apocalypse, using his own experience from Avalon Online to best survive what seems to be an impossible task.

Gods and Myths rule over the lands on Earth. They give their citizens food, security, abundance, and most of all…Immortality.In exchange, humans went over the 4th Dimension and killed Canzers, the monsters that threaten the sanctity of the God's dimension. They are called Saviors.At 18yrs old, Atlan finally gained a chance to become a Savior. But…he inadvertently gained the powers of the God of Death.Was it useful in a world of immortality?Yes. Nobody knew that when Atlan overthrew the Grim Reaper, an apocalypse would doom the world.Humanity lost its immortality. Ordinary people, Saviors, and even Gods could die now.[You have witnessed the extinction of Angels][10-star rarity Angelic Genus acquired!][Your Bloodline has evolved to Angelic Reaper of Gods][You have reaped the deaths of 10,000 Angels][You have gained 1,000,000 Upgrade Points][You have gained 10,000 experience][Lightspeed Angel Wings body mutation acquired!][You have reaped the death of the First Savior][10x Level Booster trait acquired!][SSS class Apocalyptic Hellfire acquired]

Traveling through the world in the book, he also became a dog-licking villain. Fortunately, with omniscience and omnipotence, Su Hao successfully reversed his fate.

Su Hao set a small goal for himself, to play the villain well first, so that the heroine would hate him, so he directly took the drunk CEO Bingshan to open a room, and forced him to be afraid, but the heroine in his arms not only did not dislike it, but Eager to try you…

- Description from novelbuddy