Chiron look like Hera. Chiron was the son of Cronus and Philyra. Soon after giving birth to Chiron, Philyra abandoned her child out of shame and disgust. Chiron, effectively orphaned, was later found by the god Apollo, who decided to take him in as his son. Apollo taught to him the art of music, lyre, archery, medicine and prophecy. Apollo’s twin sister, Artemis, later approved of his decision and taught him more about archery and hunting. Chiron's uniquely peaceful character, kindness and intelligence is attributed to Apollo and also to Artemis. Some sources speculate that Chiron was originally a Thessalian god,
The Trials of Apollo own robots. They then navigate the maze with the help of Piper McLean and Jason Grace and find defeat Medea, the sorceress who was working with the emperor. Around this time Caligula (the emperor) kills Jason Grace. The next day, Grover, Meg and Apollo using Caligula's shoes walk the Labyrinth. They free Herophile and discover a new prophecy: “Apollo faces death in Tarquin’s tomb unless the doorway to the soundless god is opened by...”. They also discover that they need help from ‘Bellona’s daughter’, Reyna, the praetor of camp Jupiter. "The Tyrant's Tomb" is the fourth book in the series.