What happend to Pru on Charmed?

In the television series "Charmed," Prue Halliwell, played by Shannen Doherty, dies at the end of Season 3. She sacrifices herself to save her sisters and the world from the demon Shax, who attacks them during a climactic battle. Her death marks a significant turning point in the series, leading to the introduction of a new character, Paige Matthews, who becomes the sisters' half-sister and new member of the Charmed Ones. Prue's departure had a lasting emotional impact on her sisters and the show's storyline.