Coin or "I am the sign of light", or "I am the tomb of light", or "I am the tomb of Phanes". The coins of Phanes are known to be amongst the earliest of Greek coins, a hemihekte of the issue was found in the foundation deposit of the temple of Artemis at Ephesos (the oldest deposit of electrum coins discovered). One assumption is that Phanes was a wealthy merchant, another that this coin is associated with Apollo-Phanes and, due to the Deer, with Artemis (twin sister of the god of light Apollo-Phaneos). Although only seven Phanes type coins were discovered,
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.