A close up of a giant octopus with a large head

Giant octopus monster，Cthulhu in the Cthulhu Mythos，glowing light eyes，extremly high detail，High chiaroscuro，4K，unreal 5 render，Best quality at best，tmasterpiece，Rendered by Octane，Looking directly at，extremely dangerous，The huge body is shocking，spread throughout the sky，The horror of despair，The atmosphere is oppressive，The scene is very spectacular，Hero holding sword，Fight back bravely,real face