Fire Emblem: Thracia 776 (Nintendo Cinematic Universe)

Fire Emblem: Tharcia 776 is a Japanese anime film.

Summary
Leif rallies a private army in an attempt to defeat the ruling Grannvale Empire.

Plot Elements

 * In the year Gran 761, the ruler of Grannvale, Arvis has expanded his countries rule across the whole of Jugdral.
 * Leif is rescued from an attack by the forces of Thracia by Finn, a friend of Seliph's father Sigurd.
 * Spending most of his life on the run, Leif eventually finds shelter in the village of Fiana. One day, the villager's protectors are routing bandits when Raydrik, the new Duke of Munster, attacks the village in search of Leif, kidnapping Leif's friends Nanna and Mareeta.
 * Devastated by the town's destruction and his friends' abductions, Leif decides to face the forces of Thracia and retake Munster. Aided by Finn and a growing band of rebels, he rescues both Nanna and the enemy controlled Mareeta, and defeating the forces of both Raydrik and Veld, a high-ranking priest of the Loptous Sect, as they retake Munster and liberate northern Thracia.
 * Leif's forces finally face Raydrik in battle, but upon his defeat Veld transforms him into an undead monster called Deadlord Mus.
 * Leif destroys Mus, kills Veld, and cements his forces defending Munster and northern Thracia from the Grannvale army.