Margrave's Bastard Son was The Emperor - Chapter 13

Kim Taejune, wanted to be a “hero,” a “savior” to all the weak. After reading books about them, he too wanted to be one. Yet he lacked power, he didn't have any skills, and the command system everyone else had but one day, his dream will come true. His path leads him to encounter Yoon Harin a woman who after the death of her twin younger brother Yoon Jiho was transmigrated into his novel, “Calamity Hunter” the “god” of this world makes a deal with Yoon Harin to bring her brother back to life IF she can survive as a savior till the end.

Abandoned on the battlefield, all he could do was endure the hellish life. He had no family to rely on, as they had turned their backs on him.A soul from the battlefield, Lucavion Thorne.But apparently, he was a lot more than a mere soldier, as fate had many things stored for him.A soul from Earth....When they merged, he realized.He was a one-chapter villain whose sole purpose was to serve as a background setting for the protagonist's tragedy.But was he truly a one-chapter villain, or did fate still have some tricks up its sleeve?Watch the story of Lucavion Thorne as he finds the purpose behind his transmigration and discovers his own fate.

In a world dotted with World Entrances to a demon world, demons have invaded humans for centuries. Humanity has united and one of the most ancient sects in the world, the Archean Mountain Sect, has set up an entire education system in the form of Dao Academies and defenses at the World Entrances.

Born naturally defective but possessed by the spirit of a divine dragon. Inheriting the divine dragon’s will and power, growing scales and magical claws, imperial waters containing the breath of the dragon, travelling through clouds and summoning rain, an invincible physical body. In this world and era, countless men dream of slaying dragons. Li Mu Yang has always lived a hard life.

- Description from Novelupdates