An exploding sound can be heard as the ground shakes violently, making huge cracks on the thick walls as dust and rocks fall from the ceiling. All of these happened because of a strong force that came from the entrance, the iron gates were effortlessly destroyed. The vampire bats were alarmed by this. Thus, rushing from different directions as they attacked altogether. But despite their number and the incredible power they just possessed, there's this strange feeling that kept on bugging them. Even the place was already surrounded by darkness, their sharp instincts tell them that whoever or whatever lies at that entrance is a big threat to any of them. It was as if something that is way beyond their level.
As much as they wanted to retreat, the voice inside their heads is much stronger th
