Saphira is a blue dragon bonded to Eragon, characterized by her wisdom, protective nature, and telepathic communication. She plays a critical role in battles and shared adventures with Eragon, while chapters from her perspective provide insights into the setting.

Roran, Eragon’s cousin, evolves from a farm boy into a valiant soldier within the Varden, motivated by the desire to restore peace to Alagaësia. He displays leadership and determination while being recognized for his bravery.

Murtagh, believed to be Eragon’s brother, is an ally of Galbatorix with a dragon named Thorn. Despite their loyalty to the Empire, there is an underlying tension with Eragon, reflecting the complex nature of their allegiances.

Arya is an elven princess and a crucial ally to Eragon, maintaining a strong platonic relationship with him. Her presence is significant in battles against the Empire while her personal motives remain more reserved.

Nasuada is the determined leader of the Varden, committed to eradicating racism and promoting peace through alliances among various races in Alagaësia. Her leadership style incorporates inclusivity and resilience.

Orik, son of King Hrothgar, becomes the king of the dwarven clan and is a steadfast supporter of the Varden. His alliance with Eragon and his political decisions are pivotal for their mutual cause against Galbatorix.