Smooth lines、Higher resolution, Upscaling、 Metal luster、Natural dimming、Rendered on a super high performance PC、8K、Color Adjustment、Overall metal feel、

gun, weapon, watermark, text, error, blurry, jpeg artifacts, cropped, worst quality, low quality, normal quality, jpeg artifacts, signature, watermark, username, artist name, (worst quality, low quality:1.4), bad anatomy, watermark, signature, text, logo, nsfw, nipples, negativeV2,