A menacing extraterrestrial with luminous neon eyes crouches in the corner of a dimly lit room, its guttural roars echoing as it gnashes and drools, showcasing razor-sharp fangs. Its ghastly presence exudes pure malevolence, a sinister being with an eerie translucent form. The atmosphere is charged with a haunting, dark energy, every intricate detail meticulously crafted to evoke fear. Dramatic lighting casts stark shadows, enhancing the photorealism and cinematic quality, as if rendered in high-definition 8k using Unreal Engine 5, capturing an epic, hyper-realistic vision.