Duke’s Eldest Son is a Regressed Hero summary: You are reading Duke’s Eldest Son is a Regressed Hero manga, one of the most popular manga covering in Action, Adventure, Drama, Fantasy genres, written by at MangaBuddy, a top manga site to offering for free. Duke’s Eldest Son is a Regressed Hero has 78 translated chapters and translations of other chapters are in progress. Lets enjoy. If you want to get the updates about latest chapters, lets create an account and add Duke’s Eldest Son is a Regressed Hero to your bookmark. Duke's Eldest Son is a Regressed Hero ManhwaOnce known as "The Dragon Slayer King," Aiden Albireo was a legendary hero who slayed the Berserk Dragon and saved the world by killing the Monarch of the Underworld, Underlord. However, he was betrayed by those who had once pledged their loyalty to him and was left to die"Who could have imagined I would return to life like this?"Aiden Albireo regressed to the body of Aiden Remez, the good-for-nothing eldest son of an unheard-of duke who died fifteen years before the Monarch of the Underworld's resurrection! HoweverThe very Monarch of Underworld he believed he had slain was imprisoned within his soul.Will Aiden be able to overcome this uncomfortable coexistence with the Monarch of the Underworld and prevent his resurrection?Hero, the eldest son of a duke, The Hero regressed as Duke's Eldest Son,, , The Hero Became the Duke's Eldest Son