dark samurai ninja villain, inspired by Tenchu Onin character, traditional Japanese aesthetic, pale and ghostly skin, dark green flowing kimono with intricate patterns, eerie and menacing facial expression, black tied hair with loose strands, shadowy tattoos on arms, dramatic cinematic lighting, misty and foggy atmosphere, feudal Japan setting, sinister and mysterious, highly detailed textures, dark fantasy art style, intense and ominous pose, glowing red undertones, spectral and haunting presence