What was percys goal in the lighning thief?

In "The Lightning Thief," Percy Jackson's primary goal is to retrieve Zeus's stolen lightning bolt to prevent a war among the gods. Throughout his journey, he seeks to prove his innocence after being accused of the theft and to uncover the truth about his identity as a demigod. Additionally, he aims to rescue his mother, who has been taken hostage by the antagonist, Hades. Ultimately, Percy strives to protect both his loved ones and the balance of power among the gods.