Minos the bull to Poseidon, but then decided to substitute a different bull. In rage, Poseidon cursed Pasiphaë, Minos' wife, with a mad passion for the bull. Daedalus built her a wooden cow, which she hid inside. The bull mated with the wooden cow and Pasiphaë was impregnated by the bull, giving birth to a horrible monster, again named Asterius, the Minotaur, half man half bull. Daedalus then built a complicated "chamber that with its tangled windings perplexed the outward way" called the Labyrinth, and Minos put the Minotaur in it. To make sure no one would ever know the secret
The Battle of the Labyrinth possessed by Kronos. They run into Grover and Tyson, and discover the resting place of Pan, who speaks to them and passes part of his fading spirit into each. The group, minus Rachel, then heads back to Camp Half-Blood to fight. The Titan army floods out of the Labyrinth and appears to be winning until Daedalus arrives with Mrs. O’Leary and Briares, who kills Kampê. Grover scares off the remaining Titan forces by causing a Panic. After the battle, Nico helps Daedalus to pass on and thus destroy the Labyrinth. After a memorial service for the dead campers, Percy leaves