The Hells Unleashed
['Nine Steps To His Infernal Throne': this chapter lists each of the Hells' nine layers, their rulers, and the character of the associated ritual item required to scry but a glimpse of it.] Avernus - Archduchess Zariel - Heliotrope, encasing shard of bone Dis - Archduke Dispater - Ore of infernal iron Minauros - Archduke Mammon - Single gold coin, petrified in acrid peat Phlegethos -  Archduchess Fierna and her father, Archduke Belial - Everburn Ash, perfectly balanced on a scale of stone Stygia - Archduke Levistus - A single coal-black eye, frozen in a shard of its own tears Malbolge - Archduchess Glasya - A coronet, stained with blood of three rightful rulers Maladomini - Archduke Baalzebul - Gorian fly, fed fat with the petioner's blood Cania - Archduke Mephistopheles - a singular and precious text, burned Nessus - Lord Asmodeus - all known substances result in immediate disappearance of petitioner