The brave ninja suddenly found out that he was in some kind of distant relationship with one powerful demon. Why exactly this demon our hero in Demon's Heir set out to destroy. Information about family ties certainly upset the hero, but did not change his intentions. On the contrary, his special abilities are now quite understandable, they are due to the presence of demonic genes in his body. Help the ninja get to their enemy and destroy him, but along the way you will have to fight small opponents in different forms and overcome many obstacles in Demon's Heir.