Prompt: Design a full-bodied, highly detailed biomechanical being with a blend of organic and mechanical elements, captured in a full-length portrait. The creature should stand in a menacing pose, with glowing purple eyes and intricate mechanical details, suggesting a fusion of advanced technology and biology. The setting is amidst a dramatic environment with lightning in the background to enhance the imposing effect. The textures are to be metallic with otherworldly essence, and the overall tone is dark and mysterious, emphasizing the creature's formidable presence from head to toe.\"