Lyra Belacqua is the main character in Philip Pullman's fantasy trilogy, His Dark Materials. She is a young girl living in a parallel universe where human souls manifest as animal companions called daemons. Lyra is adventurous, curious, and brave, often finding herself in dangerous situations. Throughout her journey, Lyra discovers her unique ability to read the mysterious Alethiometer, or golden compass, which reveals truths and guides her decisions. Her quest involves exploring themes of friendship, loyalty, and the struggle against oppressive forces, particularly represented by the Magisterium, a powerful religious organization.