Haunted house inside giant skull in a sinister swamp

A colossal skull sits at the heart of a foul, stagnant swamp, its maw stretched open wide. Nestled inside the gaping mouth of this mammoth bone construct lies a haunted house, crumbling and eerie due to the ravages of time. The architecture is ancient and creeks with an unsettling air. Bats, to and fro, enhance the sinister ambiance with their irregular flight patterns, while small creatures scuttle in the shadows, their beady eyes reflecting the faint glow of the moonlight. The scene is designed with impressive details, boasting a high resolution of 32K.