A man in a dark outfit holding a sword and a demon

Design a captivating concept character art of a mischievous and cunning demon with unique features and personality. Create a digital artwork in a realistic, surreal, or stylized art style, using a cool and ethereal color palette. Depict the demon in a powerful stance, emphasizing its muscular and imposing body type. Give it glowing eyes, tattoos or markings, sharp teeth, and horns. Dress the demon in tattered robes and exotic accessories, surrounded by props such as skulls and bones, and incorporate smoke or fire effects. Illuminate the scene with fiery lighting to enhance the mysterious mood. Use glowing runes as textures to add depth and detail. Ensure the composition is centered and balanced, with a detailed and immersive background that transports the viewer to an ethereal realm. You can create this concept character art using either traditional ink or digital painting techniques, focusing on lighting and shading as well as line art. The purpose of this artwork is to set the mood and create a unique and captivating character.

verybadimagenegative_v1.3, ng_deepnegative_v1_75t, (ugly face:0.8),cross-eyed,sketches, (worst quality:2), (low quality:2), (normal quality:2), lowres, normal quality, ((monochrome)), ((grayscale)), skin spots, acnes, skin blemishes, bad anatomy, DeepNegative, facing away, tilted head, {Multiple people}, lowres, bad anatomy, bad hands, text, error, missing fingers, extra digit, fewer digits, cropped, worstquality, low quality, normal quality, jpegartifacts, signature, watermark, username, blurry, bad feet, cropped, poorly drawn hands, poorly drawn face, mutation, deformed, worst quality, low quality, normal quality, jpeg artifacts, signature, watermark, extra fingers, fewer digits, extra limbs, extra arms,extra legs, malformed limbs, fused fingers, too many fingers, long neck, cross-eyed,mutated hands, polar lowres, bad body, bad proportions, gross proportions, text, error, missing fingers, missing arms, missing legs, extra digit, extra arms, extra leg, extra foot, ((repeating hair))