Giant sea monster tentacle rising from a stormy ocean

Epic fantasy oil painting scene of a giant sea monster tentacle rising from turbulent ocean waters, vertical 9:16. The massive tentacle coils and twists, wet and glistening with detailed suction cups catching glimmers of stormy light. Waves crash dramatically around it, spray and foam rendered in textured brushstrokes. Sky is dark and moody with storm clouds, subtle shafts of light breaking through, adding cinematic depth. Rich oil-paint textures, expressive strokes, and vibrant contrast emphasize the scale and menace of the creature. Dramatic, dynamic composition evoking awe and tension, immersive fantasy art atmosphere --ar 9:16