Skull demon sorcerer concept art portrait inspired by Terese Nielsen, Brom, Miho Hirano, hyperdetailed gothic art trending on Artstation. Intricately detailed with triadic colors, set in a dark black velvet background. Influences of art nouveau, featuring deep, fantastical elements and intricate details suitable for splash screens. Complementary colors enhance the fantasy concept, lending a gothic, deviantart masterpiece feel with vivid, captivating colors. Rendered in 16k resolution with UHD and HDR for an extraordinarily high-definition experience, reminiscent of a ReV Animated masterpiece. Elements of duplicity in character design offer uniqueness, capturing cross-eyed features and elongated neck, subtly hinting at extra fingers in mutated hands, while avoiding disfigurement. The artwork remains sharp and in focus, free of artifacts, watermarks, or distracting elements, ensuring the subject stays within frame, delivering a seamless, visually stunning fantasy portrait.