Garm Wars: The Last Druid

Garm Wars: The Last Druid is a 2014 English-language Japanese-Canadian live action/animated science fiction adventure film directed by Mamoru Oshii. It is also the first English-language film by Oshii, who is famous for his Japanese-language animated works including Ghost in the Shell and Urusei Yatsura. The film tells the story of three soldiers who abandon a genocidal war between tribes to seek answers about why their world has been abandoned by its god, and why the tribes were made to fight each other in the first place.

Synopsis from Wikipedia, CC BY-SA 4.0. Everything below written here.

Poster © the film's rights holders.