Fire-breathing horses are a type of magical species of horses that breathes out fire through their nostrils. Percy Jackson and Annabeth Chase find them at the Triple G Ranch and Percy sees some, pulling Ares' War Chariot, at Staten Island Zoo in The Demigod Files.
Percy Jackson and the Olympians[]
The Battle of the Labyrinth[]
Triple G Ranch sells fire-breathing horses for war. They are seen briefly in the stables on the way to his ranch. Percy notes that the fire must hurt the horses' sinuses.
The Demigod Files[]
The Stolen Chariot[]
Ares' War Chariot is pulled by fire-breathing horses. They are black in color and are disguised by the Mist. While at the zoo, they had a note on one of the horses saying, "Official Zoo Vehicle." They might have manes of fire because a little girl looked at them and said, "Pony on fire!"
The Trials of Apollo[]
The Dark Prophecy[]
Commodus owns several fire-breathing horses in Indianapolis.