MTL - Assassin Farmer - ~ 007 You are not dumb?

I Became Hades, the God of the Underworld from Greek and Roman Mythology

Zhou Xu, an interstellar military counselor, was selected by the “will not die in peace” system, and as a result, even though he had a great fear of pain, began his journey as villain, forced to die a terrible death over and over again. Zhou Xu, after going through a hundred worlds and dying a hundred times, finally changed. He wanted to retaliate!

Shocked, Peng Gengkun wakes up in the Thunder Continent, a world far from his life as a video game lover. Here, martial arts rule and mastering cultivation is key. As part of the Flying Cloud Sect in the bleak Bleakwind Barrens, Peng holds a respected but challenging role.Despite the focus on strength in this world, Peng struggles with cultivation.A past conflict, involving his secret love for Xi Yingzhu and rivalry with Wei Pengxing, hurt his Qi Sea, affecting his warrior abilities.Yet, when Peng finds the Leviathan-roc Devouring System, he sees a chance to gain power and grow.With a desire for revenge and more strength, he stands at a crossroads: What or who will he consume next to become even stronger?

Our protagonist Caam is a man from Earth that was reincarnated into this world as a demon. In order to survive, he spared no effort in avoiding the sparks of battle and without noticing it, he became strong himself.