The Battle of the Labyrinth camp for the school year. On his fifteenth birthday at the summer's end, Percy receives a visit from his father Poseidon, who gives him a sand dollar, admonishing him to “spend it wisely”. Nico later appears to tell Percy his plan to defeat Luke once and for all. "The Battle of the Labyrinth" was initially referred to as "Percy 4" until the title was officially revealed. The novel was teased by Rick Riordan behind the pages of its predecessor, "The Titan's Curse". It was based on the Greek myth of the labyrinth, where the Minotaur was supposedly kept. In his
Daedalus Daedalus In Greek mythology, Daedalus (; "Daidalos" "cunningly wrought", perhaps related to δαιδάλλω "to work artfully"; ; Etruscan: "Taitale") was a skillful craftsman and artist. He is the father of Icarus, the uncle of Perdix, and possibly also the father of Iapyx, although this is unclear. Daedalus's parentage was supplied as a later addition, providing him with a father in Metion, Eupalamus, or Palamaon, and a mother, Alcippe, Iphinoe, or Phrasmede. Daedalus had two sons: Icarus and Iapyx, along with a nephew either Talos or Perdix. Athenians transferred Cretan Daedalus to make him Athenian-born, the grandson of the ancient king