Tensei Shitara Slime Datta Ken (WN) - Chapter 310

Reborn in the cultivation world, Gu Feng becomes the most useless member in the history of his family!He creates the [Shared Flying Sword]!Establishes the [Immortal Sound Live Broadcast]!Initiates [Cave Heaven and Blessed Land Development]!Promotes the [Digitalization of Spirit Stones]!Founds [Qi Refining Local] and [Dao Companion Online]...In a world where people are the knife and he is the fish, he faces daily cunning schemes and crushes the arrogant geniuses!Cultivation starts from squandering... Gu Feng forges an entirely different path in the world of cultivation...

In the foreign world, the martial artists dominate the world and the sword of the emperor controls the fate of hundreds of millions of lives! Long Yu, the number one killer on Earth, after dying, takes rebirth in this new world in an aristocratic family of martial artists but faces rejection because he is unable to practice martial arts.

- Description from Novelupdates

In the Wasteland Era, four grand circular walls separates the world of humans from the Exotic Species, which people also refer to as the Apocalypse Circular.Lu Luo has unexpectedly arrived in this world and, feeling somewhat helpless amidst the sudden crisis, has seen this prompt in his vision:[You are so weak it's suffocating, Although you have awakened Grade S-02-Devourer and Grade S-04-Fusioner, it's actually pretty useless.The only thing that can truly help you escape this crisis and lead you to the pinnacle of life is Sequence S-11-Observer.][The above evaluation comes from the noble Grade S Sequence-11: Observer's fair analysis.]Lu Luo: “? This evaluation, so fair huh!”

I am the sword.

Killing a man amidst a thousand miles, no one dares take ten steps.
Killing a man amidst a thousand miles, no one can take ten steps.
Killing a man amidst a thousand miles, ten steps? Not possible!

I am the sword, the sword is me,
On the path towards heaven, each shall wield their own.

- Description from Novelupdates