A realistic full-body portrait of a superhero representing the Scorpio zodiac sign, named 'Shadow Sting'. The hero has a mysterious and intense appearance, with a sleek and agile build. The costume is predominantly dark, with shades of deep red and black, symbolizing the secretive and transformative nature of Scorpio. The design includes elements reminiscent of a scorpion, like subtle tail-like features and armor that hints at a scorpion's exoskeleton. The character's pose should be stealthy and intriguing, embodying their power to manipulate shadows and their venomous touch. The background should be a dark, shadowy environment, enhancing the mysterious and intense vibe of the character.