Within a Hollow Heart - Chapter 147: Volume 2, : "Echoes Beyond the Veil"

Eight hundred years ago, Zhang Ruochen, the son of Emperor Ming, was killed by his fiancee, Princess Chi Yao.

Eight hundred years later, Zhang Ruochen came back to life, only to discover that the fiancee who once killed him had unified the Kunlun realm and opened up the first central empire, known as “Queen Chi Yao”.

Empress Chi Yao – ruling the world, she is powerful in all directions; youth is eternal, immortal and immortal.

Zhang Ruochen stood outside the ancestral hall of the emperors, looking at the statue of Empress Chi Yao, with a raging flame of hatred burning in his heart, “When I rebuild it for thirteen years, dare to call the empress to Huangquan.”

- Description from novelbuddy

Chu Sihan, the county magistrate of Xuan Yue Country, is an exceptionally handsome prodigy who had risen to fame since he was a child. However, the National Preceptor prophesies that he would not live to the age of thirty, unless he marries the Lu Family’s daughter from Liu Yue Village.

The world’s top level hacker, Shi Lei; due to him hacking the world’s top military powers during a joint exercise and attempting to steal information from them, ultimately leads him to get sold out by his own organization. This act eventually caused his own death by a missile bombardment.

God was playing a joke on him and allowed him to return back to six years ago, the autumn season of when he was still at his university. Being given another chance, plus the fact that he retained his ability as one of the best in hacking technology, Shi Lei decided to change his life! During his previous life, he was only an assassin in the dark. Although such an existence made people afraid of him, he would have to always hide within the shadows. In his new life, not only does he want to be an assassin in the dark, he also wants to stand openly in the middle of the world stage. Creating a world-class super enterprise, he will single handy change the whole world!

- Description from Novelupdates

Lambert, one of the great generals from Regios kingdom was suspected for planning a rebellion against his lord at the end of unification war, he died an unnatural death. Two hundreds years later, when the era has changed and Regios kingdom entered it’s peaceful era, he accidentally revived as a demon called Undead Knight.. Lambert whose entire body was wrapped in a flashy Demon Metal[Organ] set out on a journey to punish the wrongdoers while enjoying the peaceful sight of Regios kingdom. But…….. This peaceful era was basically an easy mode for Lambert, the greatest general of the chaotic era.