The Burning Maze horse is Incitatus, and its owner is the third emperor, Caligula. They return to Aeithales and convey the news to the spirits. Grover tells Apollo about a part of the Labyrinth that is burning, causing droughts and water shortage in the upper world. Hedge and Mellie reveal that Piper McLean and Jason Grace had explored the Labyrinth. Apollo decided to meet with them. Meg plants the seeds with which her father had planned to reincarnate the Meliai. Apollo, Meg and Grover meet Piper and bring Jason, who had broken up with Piper, from his school the following day. Jason confidentially
Matthias, Holy Roman Emperor Matthias's brother Archduke Maximilian, who hoped to secure the succession for the inflexible Catholic Archduke Ferdinand (later Emperor Ferdinand II). The start of the Bohemian Protestant revolt in 1618 provoked Maximilian to imprison Klesl and revise his policies. Matthias, old and ailing, was unable to prevent a takeover by Maximilian's faction. Ferdinand, who had already been crowned King of Bohemia (1617) and of Hungary (1618), succeeded Matthias as Holy Roman Emperor. Names in other languages: "Matthias, by the grace of God elected Holy Roman Emperor, forever August, King in Germany, of Hungary, Bohemia, Dalmatia, Croatia, Slavonia, Rama, Serbia, Galicia, Lodomeria,