Close-up digital illustration, (Crystal skull-shaped beer mug with ornamental stones:1.3), Intricate design, (Transparent skull enhanced with gemstone inlays:1.2), Deep-set eyes adorned with luminous gemstones to amplify light refraction, Sharp teeth mimicking crystalline structures, each tooth capped with a small gem, (Steampunk-style handle with crystal joints and ornamental stone embellishments:1.2), Amber beer contents visible through the clear, gem-decorated mug, (Blurry background suggesting an enchanted workshop:1.3), Alchemical apparatus elements, Subtle mystical glows, Enchanting atmosphere.