Kenji Kamiyama, director of the upcoming animated film 'The Lord of the Rings: The War of the Rohirrim,' discusses the challenges of adapting Tolkien's world. Set centuries before the main trilogy, the film explores Helm Hammerhand's defense of the Hornburg against Wulf,

It's a discombobulating experience, after a "Lord of the Rings" trilogy that was built for the big screen, to see something so comparatively minor as "The War of the Rohirrim."

CGMagazine learned about the processes of blending familiarity with The Lord of the Rings: War of the Rohirrim with director Kenji Kamiyama.