Anime film “The Lord of the Rings: The War of the Rohirrim” tells the story of Rohan’s King Helm Hammerhand and his daughter Héra.
https://mashable.com/video/the-lord-of-the-rings-the-war-of-the-rohirrim-trailer
https://mashable.com/video/the-lord-of-the-rings-the-war-of-the-rohirrim-trailer