High Quality Content by WIKIPEDIA articles! The Shadow Skill manga and anime series has a varied cast of characters originally created by Mugumu Okada. The plot takes place in the fictional a warrior kingdom with a history stretching back over 2,000 years. The kingdom stands perpetually on the brink of war with its neighbors. Warriors of Kuruda fight using martial arts styles that utilize magic-like powers and compete in colloseum matches to rise in rank and hone their skills; the highest of these ranks being Vaar and then Savaar.