The Dragon's Heart: Unspoken Passion - Chapter 86: The Expanse

A good-for-nothing man married a beautiful girl but was kicked off the bed on the wedding night. Furiously, he wrote a bill of divorce and ran away.
He was schemed a car accident in which he nearly lost his life. However, it turned out to be a blessing. He swallowed the soul that passed through the outer world, thus obtained superb medical skills and martial arts.
Later on, with the silver needles and invincible martial arts, he embarked on the road of counterattacks and was committed to his great dreams.

- Description from Novelupdates

Here martial arts are no longer intangible legends. They have been passed on from generation to generation and from century to century. After the confrontation with science and technology, they have completely integrated into modern society and all kinds of martial arts competitions are taking place across the country as superiority among scholars are hard to reach a consensus but not as difficult among martial artists!

Rakna was not normal. No, unmistakably not.

Whether it was his appearance, his personality, his abilities, his identity, nothing about him had ever been banal. Was it his choice?

No. He was merely but a tormented soul doing its utmost to live the life it had learned to never enjoy.

Would being picked by a glorified universal abductor calling itself a system bring something out of him?

Would he finally learn to breathe in the pool of blood that suffocated him? The Harvester does not sow, he only collects.

All he has ever known to feel was loss and the only thing he can do is take.

He will devour their hearts and drink their blood if it is what it takes.