An ancient, enormous and majestic dragon, evoking powerful magic to protect an a

an ancient, enormous and majestic dragon, evoking powerful magic to protect an ancestral treasure, creating a barrier of light that repels humans, realistic, photorealistic, photo-realistic:1.37, best quality,4k,8k,highres,masterpiece:1.2,ultra-detailed,HDR,UHD,studio lighting,ultra-fine painting,sharp focus,physically-based rendering,extreme detail description,professional,vivid colors,bokeh,fantasy,dark fantasy,dramatic lighting,dramatic atmosphere,dramatic shadows,dramatic highlights