Welcome to Hell! You either died and where really awful in your lifetime, or you're a demon! Both options are horrible! If your a demon, then when you're not torturing the souls of the innocent and not so innocent, you'll take a bunch of classes! You'll learn things such as:
Defense against angels!
How to kill an angel!
New as effective torture methods!
Turning an angel into a demon!
And more!
Make sure your suffering, unless you're doing wrong!