Ghost: The 7 Kingdoms

"Ghost: The 7 Kingdoms" is a platformer game where you play as Ghost on a quest to save the 7 Kingdoms. After the death of Kiro's parents, his brother Jiro moves to the Middle Island and discovers 8 gems, which according to an ancient prophecy, grant the owner ultimate power and the ability to annihilate entire kingdoms. Now, Ghost must kill the kings of the 7 Kingdoms to recover the gems and save the world from destruction.