Reborn as a Tiger, I Level Up My Cultivation

Looking for Devouring-and-Evolution Stories

Please recommend stories that are still updating or already complete, where the protagonist transforms into all kinds of animals and devours others to evolve. Fictional monsters like Godzilla and King Ghidorah are fine too.

Nonhuman Protagonists (Not Animals): Cold-Blooded and Brutal, Evolving and Eating People

I'm looking for books like As a Monster, Is It Really So Wrong to Eat a Person?!

Real Cultivation! Cruel and Dark, with Characters Who Stop at Nothing to Achieve Their Goals!

Looking for books like The Old Snake’s Tale of Cultivation (The Old Snake’s Tale of Cultivation!).

Any Novels Where the Protagonist Is a Great Demon Who Takes Human Form?

Looking for Monster Novels: No Female Lead, No Human Transformations, Consistent Worldbuilding. Please, I'm Begging You

Looking for a book.

A True Demonic Cultivator: No Heroine, No Do-Gooder Lead, No Scruples

A true demonic cultivator: kills without batting an eye, has no female lead, and will use any means necessary to pursue the Dao.

The Protagonist Is Reborn as a Monster Beast: No Softheartedness, No Mercy, and a Passionate Evolution

...

The Protagonist Turns Into a Man-Eating Beast

Reborn as an Animal, Preferably a Long Novel

Reborn as an animal (looking for a long one)

Looking for Dark, Cold-Blooded Stories With an Emotionless Protagonist

The protagonist has a functioning brain, stays clear-headed, and is rational

Highly Rated, Read by Over 100,000 People, and Worth Staying Up All Night For

Recommend Me Something, You Experts!!!!

Are there any carefully written cultivation novels that leave you amazed, with villains who aren't stupid?