An extremely psychedelic abstract illustration of octapus with colorful glowing tentacles, colorful, surreal, dramatic lighting, magic mushrooms, psilocybin, LSD,  detailed, intricate, elegant, highly detailed, digital painting, artstation, concept art, smooth, sharp focus, illustration, art by Krenz Cushart and Artem Demura and alphonse mucha, unreal engine 5 render,  8k