Annabeth is a demigod, which means she is half mortal (her father is a human) and half deity (her mother is Athena, the Greek goddess of wisdom and warfare). She is known for her intelligence, strategic thinking, and bravery. With her blonde hair, gray eyes, and a sharp wit, she often serves as the voice of reason among her friends. Throughout the series, she is shown to be fiercely loyal to her friends and family, especially Percy Jackson, the series' main character. She is a skilled architect and often uses her knowledge of architecture to solve puzzles and navigate through challenges. Overall, Annabeth is a key member of the group of demigods known as the "Camp Half-Blood" heroes, using her intellect and courage to aid in their quests and battles against mythological monsters and gods.