Eye of the Abyss: The King Returns

Leon, the Ashborne prince, binds his dragon eyes for a decade, marrying into a failing family to repay a debt. He lifts them from ruin. On the Ancestral Fire Feast, his wife casts him out. When the duchess kneels and the royal guard arrives, he tears off his blindfold—the family realizes they discarded the man who can destroy the world.