Macbeth and Banquo are the two warriors who fought against the enemy of Duncan. They were fighting against the Thane of Cawdor.
In Act 1 Scene 2 of the play "Macbeth," the battle between Macbeth and the King of Norway have been set up. In the battle against the King of Norway, Macbeth and Banquo proved themselves by winning the battle. They won the battle and exemplified themselves to be brave and determined in the battle.