Power Blade is a game from the Nintendo Entertainment System that was released in Europe. Being an NES title suggests a likely focus on fast action, side scrolling gameplay, common to many games of that time.  The exact specifics of the game's history, developer, and unique elements would require further research into NES game databases or gaming history records. However, its European release implies a developer or publisher based in or catering to the European market.

Power Blade (Europe)

Popo Team (Asia) (Unl)