Record of a Demon's Cultivation - Chapter 19: Revenge

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.

Su Chen traveled through the fantasy world and awakened the god-level bragging system.

Earn rewards as long as others brag about it!

Brothers and sisters of the same school: Although everyone is at the same level, but like you, my senior brother can kill ten in seconds with one sword!

Su Chen instantly stepped into the taboo realm, becoming the number one person in the same realm in all ages!

Zongmen Elder: I think Su Chen has the appearance of a great emperor!

Su Chen’s physical body became great immediately, his altar was clear, and his talent was raised to the extreme.

Supreme Immortal Emperor: From my point of view, the sword in the hands of fellow Taoist Su Chen is simple and unadorned. It looks ordinary, but in reality its brilliance is restrained. It must be a supreme weapon!

In an instant, the sword in Su Chen’s hand shone with divine brilliance, and turned into an extreme imperial weapon.

Peer Tianjiao: Are you really as strong as the legend says?

Su Chen: Wherever it is, it’s just everyone flattering and bragging.

…

The introduction is weak, please move to the text!

- Description from novelbuddy

A 30-year-old NEET is reincarnated into the body of an otaku that choked to death on instant noodles. As he comes to grips with his new life, he realizes that this world is subtly different from Earth. The denizens of this world are far better looking, and this new world also possesses futuristic technology as well as mysterious Yin Yang masters!

After reincarnating, he realized that he was endowed with a miraculous game-like system, which enables him to increase his own stats and transcend the limits of the human body. This system even has a game-breaking ability to save and load in real life!

In this new world that’s akin to a 2-D game, he just wants to enjoy life and head for a glorious future… However, he is quickly embroiled in a complex plot. Can he unlock his true potential and utilize his system to break the shackles that confine him and discover the truth about his previous body’s circumstances?

- Description from novelupdates

Ark is a young Swedish man. Growing up without the loving care of parents had a big impact on his life and his personality turned out rather cold, even though he is a good person. His life ends abruptly when he suddenly dies of a rare disease, but his story doesn't. In fact, he gets reincarnated in a world of swords and magic... as a wolf? Follow Ark as he tries his hardest to evolve and survive in this new world fraught with danger, after all, power is everything.