MTL - The 21st Century of the Gangsters Everywhere - ~ Eighty-three Alaskan remnants

An ordinary sect cultivator, with the help of the immortal mansion, gradually grew up in the cruel world of immortality, and his mind and body transformed together.

Mortal flow, partial dark wind.

- Description from novelbuddy

Luo Yu traveled through the world of Douluo, met Gu Yuena, and after a million years of painstaking practice, he finally became a beast god. After a catastrophe, he became a human being, forged the first divine body of Douluo, and awakened the heaven-defying twin god-level martial souls.

Save Bibi Dong and help Zhu Zhuqing get rid of the scumbag.

Master wants to accept me as an apprentice? Sorry, you don’t deserve it.

Show off Tang San with one hand, blast the white tiger with one punch, cut Tang Hao with three swords…

A few years later, Luo Yu swept Douluo, and the king came to the Wuhun Palace, stepping on the abyss, pointing at the vastness of the sword.

In the vast God Realm, who is worthy of a battle…

- Description from novelbuddy

The story is about a a hitman, Who dies because of his own recklessness and transmigrates into a game he used to play after his retirement as a hitman.I'm not gonna spoil any further, but i might answer few of your questions.Is MC overpowered?Nope, he'll become strong over time and all battle he'll fight will be because of his effort and techniques.Is there magic and adventure?Yes! It have both magic like normal isekai with adventure and fighting with monsters and many other things. There are other important things like “Essence Stone” But let's talk about it in the chapters.There will be harem?Not really, He will be in contact with many beautiful female and males but one waifu but i haven't decided yet.All i can say is, give it a try, I'll try my best to make it worth your time.

The end of the world is full of crises, but Su Chen says not to worry because he has the Red Alert System. That’s how confident he is. You say you have a lot of weapons? Sorry, I have more weapons than I can use here. Let me introduce you to the weather control device. You say the mutant beasts are very powerful? No problem, I have a way to deal with them…