The first World War rages on when a group of American soldiers find a mysterious artifact that can summon the ancient evil of the Krampus. After the men are killed in action, the artifact is sent to the commanding officer's … Maria Olsen, Anna Harr, Katie Peabody, Amelia Haberman, Shannyn Hall, Luke Waxman, Linda Cushma Added on Amazon Prime 2020-12-17. Youtube Trailer