Isekai Maou to Shoukan Shoujo Dorei Majutsu - Volume 10 Chapter 2 part3-4

A century after the Spirit Qi Awakening, the world enters a new era. Humans are able to absorb the world’s awakened spirit qi, allowing them to tread on a new path—spirit qi occupations!

“You mean that Prince Yu wants to marry me?”

“Exactly, young master, Prince Yu wants to marry you!”

“Hell no! Is he out of his mind? Even if woman is a rare species nowadays, as the prince, he could have a chance to marry one. Is it because he got excluded, or maybe he has sexual impotence, so he could only marry a man?”

“No, Prince Yu is charming, majestic, endowed with civil and martial virtues, and also in perfect health.”

“Then why would he marry me?”

“Maybe because of your reputation out there.”

“Reputation? Am I quite famous?”

“Of course. Young master, you’re far-famed.”

“Really? What did they say about me?”

“They said you are ugly, good-for-nothing, short-lived, a freak, with no morals, and shameless…”

…

- Description from Novelupdates

Following her attempted assassination, Fatima found herself amidst a meticulously staged slave auction orchestrated by her mysterious rescuers in the capital city of a prospective ally empire. Now a slave of the Kartier Duchy, her life as a princess seems far behind her as she spends her days toiling the farms under the scorching sun. Just when all hopes seem to be lost, Fatima’s painful days eased upon meeting the strikingly handsome heir of the Kartier duchy along with his cold and seemingly gruff knight. Will she ever overcome the shackles of slavery and return home to reclaim her title or will spend the rest of her life enduring the cruel treatments of the duchess? Torn between a charming heir and a dubious knight as her potential escape routes, which hand will she grasp?

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.