A terrifying and realistic depiction of Curupira, a mythical creature from Brazilian folklore, standing deep within a dense tropical forest at night. The Curupira has human-like features but with bright green skin, fiery red hair, and its signature backward-facing feet. Its expression is sinister and unsettling, with glowing yellow eyes that shine through the darkness. The forest is thick with towering trees, vines, and mist, illuminated only by a faint, eerie moonlight filtering through the canopy. The atmosphere feels tense and dangerous, evoking a sense of being watched by an unpredictable force