World Isekai - Chapter 68: [Spear of Purity]

My name is Joo In-gong. The name that my parents gave me meant ‘protagonist’ of the world. Really?

The protagonist of the collapse of the three former civilizations is Dr. Mei. What is the end of logic, the strongest brain, super intelligence, this is the story of the strongest scientist of Honkai with knowledge of the moon becoming the god of science!

- Description from novelbuddy

Humbra bleeds, devastated by an unrelenting race for survival against the Leirions—powerful monsters intoxicated by their bloodlust. Amidst this chaos, a young orphan, haunted by his brutal past, discovers he is the catalyst to a greater future—a future far darker than he could ever imagine.This is Leonard, a boy whose destiny entwines with ancient secrets, betrayals beyond reckoning, and a world-shattering rage.Humanity already struggles on the edge of the abyss. The light of hope has long been extinguished, ushering in the darkness and heralding echoes of lament... But from this despair, a new hope flickers: the Neumonds, wielders of powers that transcend life and death. Are they saviors... or harbingers of a final, devastating curse?Will Leonard save them all... or will his desire for vengeance end in a valiant death?

After the disaster, there wasn't enough food, so I used my superpower to farm, striving together with my childhood friend for a better life.