A full sleeve tattoo design, neo-traditional tattoo style, vivid saturation, bold outlines. The sleeve features a dynamic composition of a glowing skull, a large crimson rose, a winding green snake, and magical swirling cosmic smoke in deep blues and purples. Detailed color shading, dark and light contrast, realistic textures for bones and petals, intricate floral background. Masterpiece, 8k resolution, tattoo flash art style, isolated on a white background.