Skull demon sorcerer concept art portrait by Terese Nielsen, Brom, Miho Hirano, hyperdetailed gothic art trending on Artstation, triadic colors, Unreal Engine 5 matte painting, dark black background, art nouveau, deep colors, fantastical, intricate detail, splash screen, complementary colors, fantasy concept art, gothic deviantart masterpiece, ornate border, vivid colors, 16k, UHD, HDR10, absurdres, model ReV Animated v1.21 style, detailed, unique composition, enigmatic expression, mysterious aura, ethereal presence, elongated features, imaginative interpretation, abstract design elements, fantasy lore.