You do not remember how this happened or who you are. All of a sudden you found yourself in Hell and you want to get out. The only way seems to lead through the 14 levels of Hell. Each level except for the first one is ruled by a boss holding the exit portal key. Since you are in Hell, the level bosses happen to be the Hell's most important fallen angels such as Lucifer, Mammon, Dantalion, Furcas, Zagan, Belphegor or Asmodeus. They are very strong, yet each of them possess a vulnerability you might want to