Skull demon sorcerer concept art portrait inspired by Terese Nielsen and Brom, featuring hyperdetailed and intricately detailed gothic art, with triadic colors and designed using Unreal Engine 5. The piece is a detailed matte painting with a dark black background, influenced by art nouveau. It displays deep and fantastical colors with intense detail, suitable for a splash screen. The use of complementary colors enhances this fantasy concept art, reminiscent of a gothic DeviantArt masterpiece. Surrounded by an ornate border, vivid colors burst forth in 16k UHD HDR10 quality, offering absurdres clarity with animated model features. Incorporates a mix of grotesque and unique elements like disfigured aspects, mutations, elongated neck, and extra fingers on mutated hands. The artwork avoids low-quality aspects such as out-of-frame issues, blurriness, jpeg artifacts, or watermarks, ensuring a cohesive and focused artistic vision without distractions such as logos, words, or disconnected images.