When god created the world, he also created a being that is more hideous than the most hideous being known to man. But realized the danger that it possesses to all the things that he created in this world and locked it in the deepest and darkest part of the ocean.
According to the ancient civilizations, this creature will be free when the time comes when god will judge the living and the dead. With his superior intelligence, able to assess things and learns from experience and its devastating strength. No great man made city will survive its wrath of vengeance on the beings that god created his image.