Colossal jellyfish formed from dark storm elements, body composed of roiling black thunderclouds, tentacles made of jagged lightning bolts. Rain streaming from cloudy umbrella, creating watery curtain. Illuminated by intense electric blue glow from within. Dominating turbulent sky, dwarfing landscape below. Ominous rumbling thunder, flashes of lightning. Hyper-realistic storm details blended with surreal creature concept. Dramatic contrast, ethereal atmosphere. Epic scale, low-angle view