Skull demon sorcerer concept art portrait by Terese Nielsen, Brom, Miho Hirano, hyperdetailed with intricate gothic art, trending on Artstation featuring triadic colors, Unreal Engine 5, matte painting with a dark black background, art nouveau style. The artwork is deep in color and fantastical with intricate details, complemented by a vivid color palette, capturing fantasy concept art in a gothic deviantart masterpiece. It includes an ornate border, presented in 16k UHD HDR10 resolution, with absurdes imagery. Maintaining the essence with creative variations, the portrait has unique, otherworldly elements like cross-eyed features, elongated neck, and extra fingers, emphasizing its ethereal, mutated form. The overall composition is cohesive, without any out of frame elements, blurred lines, or unnecessary distortions like logos or text cluttering the visual narrative.