In Different World with Naruto System (WN) - Chapter 299: Demon Metropolis

“VILLIAN!? Is that what you call me? Do you know what I have been through?

FATE dealt me this hand, and I'll find peace in it. Even if I have to end the world, I'll sit a king on its ruins.

I'm not a good guy. I won't even pretend that I am. But then again, who in this world can truly claim that title?

At least I know my heart. What about yours?”

.....

Chiron lived an unfortunate life, but his problems only got started when he was reincarnated in his dangerous Hit novel.

Behold, a lesson to all authors... MC's have it difficult too.

After laying down his life in a final act of sacrifice living in a world plagued by monsters, Zion expected only the embrace of death. Instead, he awakened in an unfamiliar world—reborn as the son of a formidable Duchess, heir to a lineage of wealth and influence. Yet, luxury and privilege were not what fate had in store for him.Marked by the Goddess who saved his soul from death’s grasp, Zion is tasked with a singular, harrowing purpose: to annihilate every God in his new world. These divine beings, revered and feared, now stand as his sworn enemies. But before he can challenge the heavens themselves, he must forge himself into a weapon of unparalleled might—one capable of shattering both mortal and immortal foes alike.To defy the divine is to invite wrath beyond reckoning. But Zion has already died once—what more does he have to fear?There are only a few 18+ Chapters within the first 60 chapters but will increase a lot after that.

Martial Soul, the essence of innate talent, encompasses the grade of countless stars, with one to three stars being Low Level, seven to Nine-star being Advanced, and a Ten-star Martial Soul as a Heavenly Gifted Spirit, known as Spirit Martial Soul, one in ten thousand!The world asks Luo Cheng: “How many stars is your Martial Soul? What grade?”Luo Cheng stares at the endless galaxy within his Martial Soul and mutters:“That's a lot of billions, it's hard to count!”

The mountain village boy accidentally got the fairy gourd, and he rose step by step to cultivate immortality and longevity.

Ripe elixir, mortal flow.

- Description from novelbuddy