Fáfnir

Fáfnir is the main antagonist of Book V of Fire Emblem Heroes. He is the king of Niðavellir and the older adoptive brother of Ótr and Reginn. He was once a kind man and a benevolent king, but became power hungry and now wants to invade other worlds. With his sights set on conquering Askr, the homeland of Alfonse and Sharena, he fights the Order of Heroes, including his adopted sister Reginn. He wears the Crown of the Dvergar, an artifact that enhances his strength and makes him almost invincible. When a coup d'état toppled the kingdom of Niðavellir and the old king was killed, the country ...