Holy Blade Zero UXP: The Great War Between Heaven & The Underworld- Supreme Clash Between The Warriors Of God & Lucifer For The Fate Of Earth & The Entire Universe, Absolute Peace & Freedom or Total Dominance & Destruction is a fan fictional media story focusing on The Great War between The Angels & Devils for control of Earth & the universe. File:Placeholder File:Placeholder This is a massive semi-crossover franchise, it is also a video game series just like Kingdom Hearts, also a movie series & television too.