Based on

Movies like Highlander: The Gathering (1993)

Duncan MacLeod cannot die unless you cut off his head. He is a 400-year-old immortal who has seen his share of humanity's bad side. Still, he risks his life to save people from harm, when kinsman Connor returns, an evil Immortal Slan Quince challenges him to a battle to the last. After all, there can be only one.