Prompt: portrait of an terrifying skinny shadow corrupted creature with claws who using necromancy magic, The dimly lit background accentuates the sense of isolation and the unknown. texture and shading to evoke a feeling of unease. sharp focus and clean linework, 8K resolution, masterpiece quality. H.P. Lovecraft-inspired art: Lovecraftian artists, such as Michael Whelan or John Jude Palencar, often create nightmarish and cosmic imagery that could complement the horror and mystery of the portrait.