Neil Marshall is a B-movie expert who has quite the cult following after directing the horror hits Dog Soldiers and The Descent. His last movie was a fun, trashy ode to The Road Warrior called Doomsday and he follows it up with a hack and slash classic called Centurion. Centurion is a gritty, gorgeously mounted action picture about a group of Roman soldiers being hunted by a tribe of nasty Picts led by a vengeful, mute warrior woman. The grimy gore meshes seamlessly with the striking and bleak cinematography of a harsh and unforgiving landscape. The excellent and charismatic Michael Fassbender …