This category is for the games in the Fire Emblem series that heroes are described as appearing in by Fire Emblem Heroes. When sorting allies by Origin and in the Catalog of Heroes in Fire Emblem Heroes, the games are sorted by their order in the series (with remakes merged in with their original game) in the following sequence:

1.  Heroes (Fire Emblem Heroes)
2.  Shadow Dragon / (New) Mystery (Fire Emblem: Shadow Dragon and the Blade of Light, Fire Emblem: Mystery of the Emblem, & Fire Emblem: New Mystery of the Emblem)
3.  Echoes (Fire Emblem Echoes: Shadows of Valentia)
4.  Genealogy of the Holy War (Fire Emblem: Genealogy of the Holy War)
5.  Thracia 776 (Fire Emblem: Thracia 776)
6.  The Binding Blade (Fire Emblem: The Binding Blade)
7.  The Blazing Blade (Fire Emblem: The Blazing Blade)
8.  The Sacred Stones (Fire Emblem: The Sacred Stones)
9.  Path of Radiance (Fire Emblem: Path of Radiance)
10.  Radiant Dawn (Fire Emblem: Radiant Dawn)
11.  Awakening (Fire Emblem Awakening)
12.  Fates (Fire Emblem Fates)
13.  Three Houses (Fire Emblem: Three Houses & Fire Emblem Warriors: Three Hopes)
14.  Tokyo Mirage Sessions ♯FE Encore (Tokyo Mirage Sessions ♯FE Encore)
15.  Engage (Fire Emblem Engage)