A shadowy humanoid figure with blurred, undefined edges emerges and stands motionless at the top of a staircase, partially visible beyond the frame. It moves slowly, descending step by step with unsettling, deliberate motions. The shadow subtly flickers and wavers as if unreal, evoking a sense of otherworldly menace. The stairs and the figure’s movements are perfectly aligned, and the background is completely transparent for seamless overlay