The Sword and the Sorcerer

The Sword and the Sorcerer is a 1982 American sword-and-sorcery film co-written and directed by Albert Pyun, and starring Lee Horsley, Kathleen Beller, Simon MacCorkindale, George Maharis, Richard Lynch, and Richard Moll. The plot concerns a mercenary with a three-bladed projectile sword who rediscovers his royal heritage when he is recruited to help a princess foil the designs of a brutal tyrant, and a powerful, devil-like sorcerer, in conquering the land.

Source: Wikipedia — The Sword and the Sorcerer (CC BY-SA 4.0)