A regal princess rides a scaled beast through stormy waters

[A stunning princess] in an elegant dark fantasy attire rides a massive, scaled, four-legged creature BEAST. She holds the reins firmly, her posture regal and commanding as the creature moves through shallow water, creating powerful splashes with each step. The scene unfolds in a vast, atmospheric landscape where a towering gothic-style castle or dark city rises in the background, partially hidden by thick mist and heavy rain. Beams of light break through the dramatic clouds above the castle, casting a haunting glow over the scene. The overall mood is cinematic, dark, and mystical, blending elegance, power, and fantasy grandeur.