Power Blazer (Japan)

About

After years of fighting that took millions of casualties, Earth is recovering from revolts in the 22nd century. In 2191, New Earth has a Master Computer that holds a secret database of the colony-planet's functioning. In wrong hands, the database could prove fatal to the whole planet. One day, aliens attack the Master Computer, making the Master control program malfunction. Nova, a lord of the ancient Power Blade is summoned to take care of the situation. The Power Blade is a glowing energy boomerang that Nova uses to defend himself.