How does The Titans Curse end?

Answer 1

In San Francisco, they learn that Bessie the Ophiotaurus is the monster they seek, because sacrificing it and burning its entrails will give them power to destroy Olympus. They go to seek the help of Annabeth's father; he gives them a car. They travel to the Garden of Hesperides, where Zoë meets her sisters and is poisoned by the dragon Ladon. They continue to the Mountain of Despair on California's Mount Tamalapis, where Mount Othrys, the Titan capital, now resides. From the top of the mountain where Atlas held up the sky, they see Artemis taking on his burden. Annabeth is held captive by Luke, and has been handcuffed and gagged. Realizing that the prophecy made by the Oracle involves him, Percy takes the burden-the Titan's curse-from Artemis. In the ensuing fight, Atlas (the General of the Titans) kills his daughter Zoë by throwing her against rocks. Artemis tricks Atlas into taking his burden from Percy. Zoe dies and Artemis puts Zoë's body into the night sky, as a new constellation. During a battle between Thalia and Luke, Luke falls off a cliff and Percy assumes that Luke is dead. Later, Percy is told by Annabeth, and confirmed by Poseidon, that Luke has survived the fall, and Thalia joins the Hunt to become immortal and prevent the prophecy from being fulfilled.

Answer 2

If i am correct, Thalia becomes a follower of Artemis, so she no longer has age. Therefore, she is not the one of the prophecy.