A striking and intense scene featuring Supergirl, who has been subjected to a sinister transformation and brainwashing. She stands confidently in a powerful combat stance amidst a torrential downpour. Her attire is a sleek, black-and-gold catsuit that clings to her perfectly proportioned, hourglass figure, highlighting her muscular yet feminine physique. Her face high detailed, framed by long, flowing blonde hair. Her piercing blue eyes, broad shoulders, shine with an eerie intensity, her lips are nude light brown, black leather-like texture of her skin. Behind her looms a massive Super-Hanger Jet, adding to the dramatic and ominous atmosphere of the scene. The rain cascades down, creating a dynamic and realistic visual effect, enhancing the mood of dark allure and formidable power.