MTL - Garbage Skills Become the Strongest In the Ninja World - Chapter 440 You're a good test subject, Kaido

In a modern world where cultivators need a place to cultivate or vent their boredom, there are private businesses that set up instance dungeons with the aid of technology and cultivation magic to enable cultivators to train and commoners to experience the life of cultivation. They are called dungeon suppliers.
Xie Jin's one and only dream was to be a dungeon supplier and when his only relative passed away, the relative's inheritance gave him a plot of land and surprisingly, a 'System' Module which the relative had previously used.
With the help of the system, Xie Jin decided to pursue his dream of becoming the number one dungeon supplier.

In a tyrannical world, what is evil? What is benevolence? All living creatures are brutal. Passing through the heaven road to find one’s purpose in life. Struggles to be stronger is not an easy path. The whole journey thistles and thorns, one blade chops open a path, I alone will be supreme!

- Description from Novelupdates

In the swamp, mosquitoes danced, and a five-meter long bay crocodile was firmly bound at the snout, its vertical pupils gleaming with ferocity. At that moment, a young man cover in mud was straddling it, and he was very modest in the face of audience’s praise.“I’m Bi Fang, a professional explorer. I have trekked atop the roof of the world and traversed through the Valley of Death, and I’ve even challenged the mysterious Amazon. Even the National Geographic has named me the world’s premier survival expert, the king of the wild at the top of the food chain, but trust me, that’s all an overstatement…”Under the crimson clouds, Bi Fang silently tightened the rope in his hand and, seeing that the bay crocodile beneath him had finally stopped struggling, he pulled out the Hunting Knife and killed it with a single strike to the underside of its jaw.“Today is the second day of survival. I thought I would have to endure another hungry night, but now it seems, dinner has taken care of itself.”

'Death' It was meant to be the end, but it brought a new start.After a destructive nether storm consumes his world, Jack finds himself face-to-face with a powerful being who tasks him with a mission he can’t refuse.Reincarnated as Asriel—the most tragic, doomed character from a novel he once read—Jack’s frustration grows: “Damn it, why this fool?”Now, he must navigate Asriel's cursed life, facing relentless supernatural beings that threats him with a single hope:[Necromancy System Activated!][Ascend as the Ruler of the Undead!]But can Jack rise above Asriel's fate, or will he, too, fall prey to the shadows lurking in his new world?