The Crown Prince Who Raises a Side Character - Chapter 76: Phantom Thief Dauphin (20). The Roar of Victory

An underprivileged prodigy, a cruel, ruthless world, and an epic story of battle and conquest. A young man with an exceptional inheritance leaves the small, rural city from which he hails on a journey to find the girl of his dreams. He defeats countless prodigies, sweeps through all forces that dare to stand in his way, and progresses step by step toward the pinnacle of all the worlds!
“I’m not targeting any gods in particular. All I’m trying to say is that all gods are trash in my eyes!”

- Description from Novelupdates

Born with the fate of a slaughterer, but all he wanted to do was help.

Eira Hax, the daughter of a once-wealthy heiress, has spent her entire life in the shadows.Twenty-two years ago, her mother, a kind-hearted but naive woman, was deceived by her husband, a ruthless businessman. He stole her entire fortune and framed her for a crime, sending her to prison, unaware that she was pregnant and secretly battling terminal cancer.Eira’s mother died alone behind bars, but not before giving birth to Eira, entrusting her with a burning desire for revenge.Now, two decades later, Eira returns with one goal: to destroy the man who ruined her mother’s life—her own father.To do so, she strategically marries his most powerful rival, Callian Reed, a man as dangerous as he is influential. Together, they plot to destroy her father’s empire, piece by piece.But as Eira is pulled deeper into a world of business, power and revenge, she’s forced to confront her own problems and decide just how far she’s willing to go to avenge her mother.“I’m not your enemy, darling…you should know that by now.”“Callian, everything you do is not written in our contract. Why are you breaking it?”“The more I learn about you, the more I hate everyone who hurt you. So please, Eira, let me get rid of them for you.”