Hardly one of Hammer Studios’ best movies, which is probably why it’s available on YouTube for free, but still considered by cult classic for its unusual mix of supernatural horror and swashbuckling action.
Captain Kronos: Vampire Hunter (1974)
https://www.youtube.com/watch?v=RsWAVsRefSg - from the official Hammer YouTube channel (1 hour 27 mins long - 1080p)
Synopsis:
A master swordsman and former soldier hunt vampires with his hunchbacked assistant.
Directed by Brian Clemens.
Cast: Horst Janson, John Carson & Caroline Munro.
Trivia:
Captain Kronos was supposed to launch a series of new Hammer film productions but, in the 1970s, Hammer studio developed financial issues and closed down.