A man in a white shirt and grey pants posing for a picture

((masterpiece,best quality,8k,highres)),((character concept art)), 1 male, young male, Sebastian Devereaux, 15 years old, 170 cm height, (trendy, slightly tousled silver hair), silver hair, (fair skin colour), ultra finely detailed eyes (captivating blue eyes colour), mature, intelligent, quiet, perfect body build ((lean)), ((intricate detail)), super finely detailed hands, ultra finely detailed fingers(((ten fingers))), wearing white shirt and navy wool trousers, (standing with confidence), (full body showcase), (show full body), (no logos on background), (no logo), ((plain background)), ((plain background)), (((empty background)))

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, too many items on background, accessories on background, items on hands, too many items on hands, blurred outfits, blurred character, wrong hairstyle, wrong hair colour, wrong outfits, weird eyes, weird pupils, weird hand gesture, hand gestures, ((repeating hair))