Chiron sends Annabeth along with Percy , Grover , and Tyson into the Labyrinth on a quest to find Daedalus . In this , they hope to use his knowledge to help thwart any attacks that are carried out using the giant underground maze . Chiron sends Annabeth along with Percy , Grover , and Tyson into the Labyrinth on a quest to find Daedalus , in hopes that they might use his knowledge to help thwart any attacks that are carried out using the giant underground maze .