A World Between Heaven and Hell

The world once again lit flames as the Empire of Graiguany restored its former glory that it lost centuries ago. Rising into the ranks of major powers of the world, the other nations felt threatened the power it withhold. They unified under one banner and fight against the Graiguany Empire with ulterior motives in mind. Little did they know, something have been lurking in the shadows waiting for an opportunity to strike and conquer the world that it set eyes upon. Facing such dominant creatures, will the humanity survive and avoid the extinction or will they perish as if they never exist?