World 10

Behind the rise and fall of Twilight Empire, there lied countless unexplained things. After decades of research, we historians have already had some clues. The golden mask is the only thing that everybody focued on. Around the scholars, the prevailing proposal is about Illusion Nemen, who may be a mysterious devil. Illusion Nemen should be controlling everything. But some others think that Illusion Nemen is just a puppet of something more evil...