Reborn in the Demonic Path, I Rule the World with a Spirit Pearl

A Handsome Protagonist Who Isn't a Goody-Two-Shoes, Practices Demonic Arts, Cuts the Chatter, and Kills

I hope the protagonist isn't an idiot. They should know to finish off their enemies and never let any threat go.

Looking for Stories About Demonic Cultivators

I want a story where the protagonist cultivates demonic powers. No female lead, no saintly protagonist, and someone ruthless and merciless. Can anyone recommend a few?

Stories with Utterly Ruthless, Heartless Protagonists Who Would Kill for Profit

Any Books with a Protagonist Whose Personality Is Similar to Great Love Immortal Venerable?

Decisive and ruthless, playing with the world; strong logic, well-rounded characters, and a dramatic story. The protagonist shouldn’t have everything go smoothly, but should face plenty of ups and downs. A few minor plot holes are fine, just nothing major.