Helck, Vol. 4 (manga)

An epic fantasy of the powerful human hero who hates humans and aims to become the next Demon Lord!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? Crossing a ruined wasteland, Helck and Vermilio are attacked by the Warrior of Darkness! Helck displays his true heroic power as he clashes with the strongest foe he's faced yet. But Helck's overwhelming strength causes Vermilio to doubt him once again, so he reveals his past-and the reason he wants to destroy all humans.