A Professor of Magic at Hogwarts - Chapter 29: The Chamber of Thought

As a promise, he went out into the world as an assassin. 3 years later, after becoming the Supreme Assassin, he gave up on everything he had and returned to the ranks of ordinary people. But one day, Kismet, a mystical game created by the National Research and Development had appeared.

Enigmatic hands, spectral frame, and one cunning strike just like the swing of the Grim Reaper. The Supreme Assassin takes on the mystical world, and how his legendary tales sets off, progressively ascending the altar to becoming the best.

- Description from Novelupdates

“It was the year 2030 AD. The origin universe game “Divine Revelation” made its grand debut. In this game, the in-game currency could be exchanged for real money, which attracted countless players. Even countries were getting ready to enter the game. But no one knew that Li Yi who had fallen in the War of the Gods returned to this very day when the game was launched with ten years worth of memories from the game. And this time, Li Yi received the SSS Rank Talent – Blood Devour. [SSS Rank Talent, Blood Devour: After slaying any creature, the player would gain 1% fixed Health Point, and life regeneration speed. The effect of this talent can be stacked indefinitely] [Notification: You slew an LV1 Sika Deer, received 1 HP, 0.01 HP regeneration/second] [Notification: You slew an LV5 Elite Goblin, received 7 HP, 0.07 HP regeneration/second] [Notification: You slew an LV10 Legendary Boss – Aoi Flame Green Dragon, received…...] From them, an invincible being who had a health bar even longer than bosses were added to the game. “Report: Li Yi is cheating, the HP of the entire dungeon’s monsters added together is still less than his!” “Report: We attacked Li Yi with the joined force of a 1000 players army, but he only lost a slither of health!” “Report: Please tell me, how are we supposed to attack the city with Li YI standing in front of its gates?

Many years later, when the game started to fuse with reality, and the War of the Gods began, Li Yi stood at the front alone and faced the gods of the worlds. Only then did the players wake up, “Dear Sir, we’re begging you, please have even more HP!””

The scum’s or villain’s long road of transformation was tentatively set to the world:
The abandonment of the educated youth’s wife (Completed)
The hidden marriage of the scum film emperor (Completed)
The best brother in the world (Completed)
The Phoenix male who destroy the bridge after crossing the river (Completed)
The treasonous general (Completed)
I’m an honest man (Completed)
To become the top scorer in the School of Agriculture (Completed)
The soft rice man’s self-cultivation (Completed)
The whole world is reborn (Completed)
I want to survive on a desert island (Completed)
The stallion male who has seized the opportunity (Completed)
The perverted self-salvation (Completed)
The spring of the loafer (Completed)
The misplaced life (Completed)
The miser career (Completed)
The ghost is out of feeling (Completed)
The Queen’s favorite husband (Completed)
The vicious girl with her godfather (Completed)
I want to be a good person (Completed)
I does not tear up the family (Completed)
The perverted common plant (Completed)
The Mary Sue’s men (Completed)
Every time I was reborn, someone wants to kill me (Completed)
The old people’s counterattack path (Completed)
The global evolution (Completed)
When I became a net red (Completed)
For you, good person (Completed)
His heart had white moonlight (Completed)

- Description from Novelupdates