Luke had been given a Quest by his father. Hermes had been nonspecific—retrieve a golden apple from the Garden of the Hesperides. It hsd been done before, by Heracles of all heroes. His father couldn't even bother to give him sn original Quest.
He'd gone up to the dusty old attic ith that creepy as shit mummy, and got his prophecy.
"Three shall seek the golden gleam, Where night-bound titan breaks his dream. The sun shall fall by burden’s hand, The dove shall rage and skies be manned. A shadow’s choice shall seal the cost— When faith is won, the hero lost."
Chiron had tried to pry the prophecy's contents out of him, but he'd kept it close to his heart. He'd picked his very best friend—Lorenzo Foster, and one of the longest Camp Veterans, that daughter of Aphrodite. He didn't really know why he'd picked her—charmspeak would be useful, he supposed. They were given a few days to prepare, and then sent off into the wild.
A Quest that he was leading. A chance to prove himself.