Red Storm - Book 1-2.5

Lived for the sword, died for the sword.

Aarav spent his whole life in suffering and injustice. Disowned by his family, cheated by his girlfriend, and drowning in alcohol and gambling, he ultimately meets his end while saving a young child and is reincarnated in the world of Eldoria as Astrael, the only heir of the Ravensatra family, where swords and magic reign supreme and only the strong survive while the weak are devoured. Follow Astrael along his journey as he defies fate beyond heaven. From a broken man to the one and only Sovereign. Wait, there is also a system--[Ding][Aetheric Codex is online][Host has awakened the divine skill Synthesis.][Ding][Host has awakened the divine skill Plunder.]..............Tags: Reincarnation, Antihero, Romance, Male MC, Western Fantasy.............Disclaimer: The story begins at a slower pace as the main character is in the early stages of their journey. These initial chapters are meant to establish the world, characters, and the foundation of the plot. As the story progresses, the pace will pick up and unfold with greater intensity and depth. Your patience will be rewarded.

Yo, Hi! I’m Frank, I made a deal with a demon to pay me some money for receiving a guest for a few days every week.
I had no idea about what I have done.
On May 1st, Conan ‘the God of Death’ came to my house. I was forced to let him in and we get involved in a criminal case.
On May 8th, Bruce Wayne ‘Batman’ came to me. I was forced to follow him to fight crime.
On May 16th, Hannibal Lecter, The Silence of the Lambs, came to my home. I can only say that I really can’t stand my guests.

- Description from Novelupdates

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