The Last Witch Hunter is a 2015 American fantasy action film directed by Breck Eisner and written by Cory Goodman, Matt Sazama, and Burk Sharpless, and based on the Dungeons & Dragons campaigns of Vin Diesel's Melkor the Witch-Hunter. The film stars Vin Diesel as an immortal witch hunter who must stop a plague from ravaging the entire world.