"Helck sets out with a group of demons led by the disguised Vermilio to defeat a mysterious group of winged soldiers and reclaim Castle Urum.
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.