Zelgius (Black Knight)

Zelgius, better known as the Black Knight, is a boss character in both Fire Emblem: Path of Radiance and Fire Emblem: Radiant Dawn, though he is also playable in the latter. He was Daein's most powerful general during The Mad King's War, and a member of Daein's Four Riders.

However, he is first seen as Zelgius when he is sent along with an army of Begnion reinforcements to Ike and his Crimean Liberation Army after their conquest of Nevassa.

The Black Knight's true identity was unknown in Path of Radiance, save for the fact that the Black Knight was once a student of General Gawain. In Radiant Dawn, his identity was revealed to be General Zelgius, Earl of Kadohl, the greatest general of Begnion, and the right-hand man to Prime Minister Sephiran. He was also one of the Branded, which he revealed to Sephiran, who provided him with the blessed sword Alondite and the blessed black armor. It is implied that he is the general of Prime Minister Sephiran, Duke of Persis' personal army.

His swordsmanship was so extraordinary that King Ashnard, after a comment from General Petrine about the Black Knight's strength, said he would be interested in challenging him in battle some day.