Roartz is the boss of Chapter 20A: The Liberation of Ilia (Ilia)/Chapter 20B: The Silver Wolf (Sacae) in Fire Emblem: The Binding Blade. Roartz is one of the two cowardly Eturian Generals who turned against their country and joined Bern when King Mordred was captured. In Chapter 20A, he was put in charge of Murdock's Ilian headquarters, Castle Edessa, which formerly belonged to Zealot, leader of the Ilian mercenary knights after Murdock decided to return to Bern. In Chapter 20B, he was defending a large manor on the outskirts of Bulgar against Roy and his army.