Southeast Asian Naga dragon tattoo design, Phaya Naga style, symmetrical composition for upper back and shoulder blades, wide horizontal flow. Pure line art, clean black outlines only, no shading, no gradients, no coloring, open space fill. Detailed dragon scales drawn with fine lines only. Thai and Khmer mythology style crest, sharp geometric details. 2D vector graphic, stencil look, isolated on a pure solid white background.