You are reading The Hero Became the Duke's Eldest Son Chapter 16. Aden Albireo was called “The Dragon Slayer,” the hero who slayed the Berserker, and the Demon Lord, who ultimately, saved the world. But he was betrayed by those who swore friendship and was left for dead… “I never thought I’d come back to life!” 15 years before the Demon Lord’s resurrection, The re