—Ain in The Binding Blade.
Ain (アイン, translated Ein in the fan translations) is the boss of Chapter 12 in Fire Emblem: The Binding Blade. He is the very first Manakete the player encounters throughout the events of the game, and his dialogue hints that he is actually a War Dragon. Ain was instructed by Flaer to guard Jutes, the capital of the Western Isles.
—Ain's death quote in The Binding Blade.
He makes a brief cameo appearance in Chapter 13 of the Fire Emblem: Hasha no Tsurugi manga. Later, he plays a large role in Chapter 18 of the manga, which is the same as his in-game appearance. He is killed by Kilmar by using his sword and borrowing Al's Sword in the manga version.
- According to a Japanese gaming news website, Ain landed 56th place out of 80 in the character popularity poll for Fire Emblem: The Binding Blade.
- His portrait looks very similar to Kishuna's prototype portrait.