A close up of a giant octopus with a light on its head

Giant octopus monster，Cthulhu in the Cthulhu Mythos，(glowing light eyes:1.5)，extremly high detail，High chiaroscuro，4K，unreal 5 render，Best quality，tmasterpiece，Rendered by Octane，Looking directly at，extremely dangerous，The huge body is shocking，The huge body is hidden in the abyss，Only part of body exposed，Hazy smoke，Unable to see the whole body clearly，The horror of despair，The atmosphere is oppressive，The spectacle is spectacular，Hero holding sword，Fight back bravely,real face