My Classmate is 200 Million Years Old - Chapter 175

Felix was reincarnated as Lindarion Sunblade, a prince of Eldorath, destined for greatness—or so they say. In a world where magic, swordsmanship, and archery reign supreme, power is everything, and the strong shape history. But strength isn’t given, it’s earned.With a System awakening within him, one that pushes his limits with deadly quests sometimes, helps him with skills, and helps with forging weapons into legendary artifacts, he refuses to be just another noble in a gilded cage.Trials await, enemies lurk in the shadows, and even among his own kind, power breeds conflict.But he will rise. Not just as a prince—but as a ruler, a warrior, and a legend over the entire world.

In the King’s game, the [King]’s order is absolute and has the power to create rules. As the owner of a special physique, Gu Huai was selected by the system to participate in the game. “Win the game and become the [King], and you can obtain whatever it is you desire.”

- Description from Novelupdates

The fiancée has betrayed, but how could she know that the man she looked down upon was in fact a prodigy with healing and martial prowess!