"The Lord of the Rings: The War of the Rohirrim" is an animated prequel set in Middle-earth, exploring the story of Helm Hammerhand, the legendary King of Rohan. The film delves into the origins of Helm’s Deep, focusing on the king's struggle to defend his people against formidable foes. Set 183 years before the events of The Two Towers, it combines epic battles, rich lore, and a connection to Tolkien’s universe. Miranda Otto reprises her role as Éowyn, serving as the narrator of this thrilling tale.