Generate an impressive 8K image that represents Uukum, the Maya deity that blends human and bat-like features. The figure should have dark and detailed scaly skin, expansive wings reminiscent of a giant bat, and eyes with a supernatural glow. Add an adorned ceremonial scepter and ceremonial drum in their hands. Create an aura of shadowy energy surrounding Uukum and place it in front of an entrance to the Maya underworld. Ensure the image's lighting stands out with a starry sky and a full moon. The final image should be rendered in 8K and filled with captivating details,Jack o 'Lantern,horror,cyber_maya