The Abyss is home to war and strife, and it is a place of great chaos and violence where countless civilizations have fallen. The bones of these once great bastions lay strewn about this wasteland. For this reason, many of the more powerful demons choose to make their base of operations somewhere else, often choosing the material plane. It is not necessarily accurate to speak of the throne of Orcus, when it is better to refer to the thrones of Orcus instead. Behind these thrones in dark palaces and broken fortresses there lay items of both incredible power and mundane interest. Within the chaotic realm of the Abyss, one might find orbs that turn water into acid, or a staff which has the power to devour time itself. Strewn about the material plane are items that corrupt, coins that grant neverending existence or a shield made of bone. The most incredible gift left by Orcus, is his chosen throne, a seat of power which invokes terror in those that witness it, as it calls the dead to rise.
- from the publisher's blurb