Visionaries: Knights of the Magical Light (1987)

Far away in a distant galaxy, the people of the planet Prysmos lived in an age of great technology. They had taken control of all of the sources of energy, and enjoyed a life of comfort and ease for 7,000 years... but this was not to last, for the realignment of the three blazing suns of Prysmos signalled the end of the age of science and technology. When all of the electrical energy have been depleted from the world, an age of magic began. But it would take some time before man would believe this. Years passed, and as the old order collapsed a new more primitive order rose form the rubble. Knowing that the balance of power between Darkstorm and Leoric could easily be tipped, both frantically searched for a military advantage