This is the first game in the Fire Emblem series to include enemy units having the ability to use pair up.
This is the first game in the Fire Emblem series to allow the main character to marry the same sex, though each character is locked to a specific version unless you are playing Revelation. In the Conquest version, either gender the player chooses the main character to be can marry a male named Niles. In the Birthright version, either gender the player chooses the main character to be can marry the female, Rhajat.
Final acting role of Rokurô Naya, who provided the Japanese voices of Gunther and Hydra.