USING STARWARS TO PREDICT ERAGON
Just like in The Return of the Jedi I believe that Murtagh will in the final battle somehow help Eragon or my theory: When Eragon decides that forgoing the wizards duel rules and just attacking pretty much commiting sucide Murtagh will step in and take Galbys retaliation killing blow.
This is just my theories but please discuss this with me because I love debating!!!