**An expensive film, typically from the 80s, but it aged badly and was forgotten.** I usually like fantasy films, but this film mixes things that seem so different from each other that I don't understand how such a thing was possible: on the one hand, the film shows a threat coming from space in the form of a spaceship, which looks like a black mountain with a big egg on top, and troops that shoot ray guns. On the other hand, it shows us an apparently medieval world, with castles, knights, princes and princesses. Almost as if Darth Vader had decided to invade planet Earth during King Arthur...