Sins Paradise: Domination System - Chapter 68: Church Knight

A young Brave walked out of his village, gathered companions to his side, defeated the Great Demon King, became famous, then came back with beauties in hand! This was a legend that appears in the world of Seyrol every 200 years!

Our protagonist, however, isn’t a Brave. Even so, for over a thousand years his figure has loomed throughout its history.

Unwittingly, the name of the Red-robed Priest began to resound throughout the world. Red-robed Priest’s legend included extraordinary sword techniques and magic, erudite knowledge, and an almost prophetic ability to lead young Braves toward the proper path. People of the world think of him as a descendent of the ancient Yellow Race which led to his omnipotence. In essence, however, this was just the characteristics of the profession known as ‘Noble’.

- Description from Novelupdates

One of the few self-cultivator who exist in this modern world; due to an unfortunate event, completely destroyed his body in an explosion. Using all his effort to save his primordial spirit, he ended up in an strange magical world and had to start all over again. From a fallen aristocrat to the Warlord of Chaos, this can no longer be summarise as legendary; this is the life of the God of War.

A lost soul from Earth transmigrates to a world of cultivation and finds himself in the body of a playboy noble and complete waste. Except he doesn't have any memories, can't let anyone know he's not the same person and is immediately involved in a conspiracy with a powerful noble family.Luckily he came to this world with a power, whatever he gives to someone as a gift he'll get it back 100 times better.His first target?His new wife, the former top young genius.

…but it seems pretty doable.