Epic Split-Ocean Scene with Sea Dragon

Epic dramatic split-ocean scene, daytime, photorealistic fantasy art, upper half: serene deep blue ocean surface under bright sky with scattered white clouds, classic wooden sailing ship with full white canvas sails floating on the water, small rowboats with tiny people nearby, gentle waves, another distant small vessel, lower half: terrifying massive sea dragon monster emerging from the depths just below the surface, gigantic prehistoric leviathan with spiky armored scales, enormous open jaws filled with long razor-sharp fangs, glowing intense predatory eyes staring upward, long writhing tentacles, dark blue abyss background, bubbles rising, cinematic underwater god rays, perfect water surface transition line, highly detailed textures, epic scale, menacing atmosphere, dramatic contrast between peaceful surface and monstrous terror below Negative prompt: blurry, low resolution, cartoon, anime, sketch, painting style, deformed, extra limbs, bad anatomy, text, watermark, logo, overexposed, underexposed, flat lighting, ugly, mutilated, extra fingers, poorly drawn face Aspect ratio: 2:3 Style: photorealistic fantasy, cinematic, ultra-detailed, dramatic lighting Lighting: bright natural daylight above water, deep volumetric god rays underwater Colors: vibrant ocean blues, white sails and foam, dark teal-gray monstrous creature, glowing eyes