Futuristic Mecha Arm

A sleek, black and gold mecha arm with advanced materials and futuristic design elements. The prominent shoulder pad is on the left side of its upper body, while it holds out an open palm for dynamic action poses. It features multiple visible mechanical parts beneath skin, adding to its high-tech appearance. This detailed concept art captures every detail in an ultra-realistic digital rendering style in the style of digital rendering. White background. --ar 3:4 --style raw --stylize 1000 --v 6 Insert discreet watermark in the lower right corner of the image, vertical text (rotated 90°), written "aipromptlabs.online", Calibri Light font, white color with low opacity (semi-transparent), medium size. Extreme sharpness on the face, fabric texture and typography of the letters. Shot on Canon EOS R5, 50mm f/2.8, studio light.