Lundgren is an enemy boss and an antagonist in Lyn's story in Fire Emblem: The Blazing Blade; he appears as the boss of Chapter 10. He is the younger brother of Marquess Caelin, Lord Hausen. He wanted his grandniece Lyndis dead, as she could be able to take the throne from him, because she is the rightful heir. He attempted to kill Lyn by sending Caelin's army after her. He poisoned his brother in order to kill him, and gain the throne, but ultimately failed.