Elf Tensei Kara no Cheat Kenkoku-ki - Chapter 16Book 05: -3: The War Begins

What would you do if you could control and use your Karma?

"There is a thin line between poison and medicine, and I shall make you dance on it!"

He lived from BC to the Middle Ages, from the Renaissance to the Industrial Revolution, and from Cyberpunk to the Interstellar Age. He has been a king and a prophet, a knight and a nobleman, a versatile artist, a genius inventor…
This is a four-thousand-year human epic——
“To us four thousand years from now:
“Is the world at peace? Is famine extinct? Can people touch the stars? How long is the human lifespan? How far is the boundary of the earth? Human…do you remember us?”
——Excavated from Earth Age Tenth Century BC, Solomon Prayer Book.

- Description from novelbuddy

On the way to a company workshop, we fell into a world of immortal cultivators while still in the car.

Those with spiritual roots and unique abilities were all called to join cultivation sects, living prosperously.

But I, having neither spiritual roots nor special abilities, lived as an ordinary mortal for 50 years, complying with fate until my death.

That’s what I thought.

Until I regressed.