Complex sentence: Robb and Theon manage to kill all the men and capture the woman Osha (Natalia Tena), but despite Theon's help, Robb chastises him for endangering Bran's life when Theon shot an arrow at the wildling who was holding Bran.
Split into simpler sentences: Robb and Theon manage to kill all the men and capture the woman Osha (Natalia Tena). Despite Theon's help, Robb chastises him for endangering Bran's life when Theon shot an arrow at the wildling who was holding Bran.