fantasy fairytale story, great leviathan turtle, hybrid, cephalopod, reptilian, cyborg, squid terrapin, cthulhu, mysterious island universe, cozy, hot springs cave, forest, candlelight, natural light, lush plants and flowers, mountains, bright clouds, luminous stellar sky, outer celestial worlds, intense fantasy atmospheric lighting, hyper realistic, golden dapple lighting, jessica rossier, michael cheval, michael whelan, unreal engine, hd, 