Strongest Survival by Otome Game’s Heroine (LN) - Chapter Volume 3 8: Orc General

As a promise, he went out into the world as an assassin. 3 years later, after becoming the Supreme Assassin, he gave up on everything he had and returned to the ranks of ordinary people. But one day, Kismet, a mystical game created by the National Research and Development had appeared.

Enigmatic hands, spectral frame, and one cunning strike just like the swing of the Grim Reaper. The Supreme Assassin takes on the mystical world, and how his legendary tales sets off, progressively ascending the altar to becoming the best.

- Description from Novelupdates

There once was a boy who was an orphan and suffered abuse from his village residents. The only friend he had was the dummy scarecrow on the field, whom he talked to. One day, a wealthy man brutally beat the boy. The next morning, the wealthy man was found dead, and the scarecrow was covered in blood. Terrified, the villagers were convinced that the scarecrow had come to life to avenge its tormented friend. And it was the last scarecrow ever placed again in the fields, considering it a sign of death. — After scarecrow dolls begin appearing in the streets of Riddleford next to murder victims, the town is thrown into chaos.When the hunt for the mystery scarecrow murderer begins, it is only a matter of time before the famous Frontier Hall Opera House employees are subjected to suspicion, each protecting a secret of their own. But is that all that is going on? Or is there something unseen?

Born into a wealthy family, Gu Shenwei was spoiled and carefree. However, at the age of 14, his entire family were brutally murdered, and he was caught by some bandits who sold him into slavery. As a slave boy, he entered Golden Roc Fort by chance and found the man who had slaughtered his family. He endured insults and worked hard to improve his kung fu while working as a slave boy. He learned from and plotted against his enemy under the enemy’s nose. He became increasingly ambitious as he became more and more powerful. He would only be satisfied if he completely destroyed his enemy—by fair means or foul. Gradually his bitter experience turned him into a totally different person.

This is a kung fu fiction that is full of mysteries and surprises. This is a story dealing with love, betrayals and distances. This is the journey of an ordinary boy who, against all odds, fought against formidable foes. This is a tale regarding a person who felt abandoned by the world made unremitting efforts to create a new world of his own, in which he was alone.