Brisingr, or, The seven promises of Eragon Shadeslayer and Saphira Bjartskular (Eragon Series #3) -- Seven promises of Eragon Shadeslayer and Saphira Bjartskular
Eragon tries to uphold the oath he made to save Katrina from King Galbatorix, while being pulled in different directions by the needs of the Varden, elves, and dwarves--all of whom need his help and strength to overcome the tyranny of the king.