The Ice People 13 - The Devil's Footprint

The footprints are frightening: one naked human foot, and the other that can't be properly identified. He roams the country like a devil, killing everyone who gets in his way. Dominic, Villemo and Niklas of the Ice People understand that this was the evil they had been chosen to stop, but how are they going to neutralise a monster who appeared to be immortal?