In the World of Sword and Magic as Space Marine - Chapter 64: The Duel Part Three

Lin Wudao has traversed, and there is an invincible corpse collection system.

As long as you collect the corpses for the strong, you can get the things they owned or touched as rewards during their lifetime, and the obtained items are still strengthened.

Lowest, ten times stronger!

[You collected the corpse of the great emperor Jiang Taichu, and gained ten thousand years of cultivation! 】

[You collected the body of your fiancée Jiang Qingxue, obtained the Zichen Sword, a humane spirit weapon, and after strengthening it ten times, it was upgraded to become an extreme spirit weapon, the Xuantian Ancient Sword! 】

[You collected the bones of an immortal, obtained a ray of immortal origin, enhanced it by 100,000 times, and upgraded it to become the original origin of Hongmeng. After refining it, you can be promoted to the immortal emperor! 】

…

Since obtaining the invincible corpse collection system, Lin Wudao has embarked on an invincible road that can push through the ages and suppress the heavens.

- Description from novelbuddy

Among the demons, the supreme ones are called “Great Saints.”

A young man leaves his mountain village and travels around the world. By unceasing efforts, he finally becomes a legend of the age.

- Description from Novelupdates

Ethan Cross was just an ordinary college student in his past life—until he died trying to save a banker playing hero. Now, he finds himself reincarnated in “New World”, a realm plagued by Dread Beasts, where only those who awaken Aethermarks can become Heroes.But there’s a problem.Ethan has awakened as an E-rank Hero, the weakest tier, cursed with only one ability slot—a death sentence for any aspiring warrior. With no powerful clans willing to recruit him and the world already looking down on him, his future seems bleak.Until he discovers his Innate Talent: Sanctum of Beasts.This mysterious power grants him access to a personal dimension, where he can hunt endless waves of Dread Beasts. Unlike the real world, slaying them in this space drops Ability Fragments, which he can combine to gain abilities without slot restrictions. Even better? Time flows differently—he can train for days, yet only an instant passes in reality.Determined to rise from nothing, Ethan embarks on a secret journey to accumulate power. But as he completes missions and unravels the truth about the Black Pits, he realizes there’s something far more sinister lurking beneath the surface.The Hero Association hides dark secrets. Villains roam freely in the shadows. And Dread Beasts may not be the mindless creatures everyone believes them to be.With powerful enemies watching his every move, Ethan must play a dangerous game—remain unnoticed or become the hunter of both beasts and men.But one thing is certain:In this world, strength is everything. And Ethan Cross will carve his own path to the top—no matter the cost.

This is a story of a man named Kim Sae-Jin, who one day, inexplicably wakes up as a Monster. Follow him and his perilous journey to get his life back as a Human, all the while growing even more versatile as a Monster in the process. This should be… complicated, somewhat.