After the Demon Lord is slain at the hands of a lone human warrior, humans rejoice over the end of his reign of terror. But an intense tournament of powerful fighters hoping to be crowned the next Demon Lord has drawn in the unlikeliest of contestants--Helck, who claims to hate humans but is one himself! How will Helck change the course of the war between demons and humankind?

Helck and Vermilio march upon the Human King's throne, but standing before them is a brainwashed Cless! Now Helck must clash with his brother in a deadly battle. Will Helck's cries reach Cless, or will the two Heroes be forced to fight to the bitter end?