From publisher blurb:
Chains of Asmodeus is a 286-page source book and adventure for the Nine Hells written by legendary game designer James Ohlen (Baldur's Gate, Baldur's Gate II, Star Wars: Knights of the Old Republic, Dragon Age: Origins) and award-winning author Adrian Tchaikovsky (Children of Time, The Tiger and the Wolf, The Doors of Eden). This book is beautifully illustrated with haunting art from Sergei Sarichev, Sergey Musin, Julian Calle, Sebastion Kowoll, Paul Adams, Luis Lasahido, and the Aaron Sims Company.
Travel through the Nine Hells to save your soul in this tome that includes:
50+ High Challenge Monsters
Stat Blocks for Asmodeus, Lord of the Nine, and all major Archdevils
20+ Infernal Magic Items
New Item Corruption Mechanic
Details on all Layers of the Nine Hells, with Beautifully Illustrated Maps created by John Stevenson
A Fiendish Adventure for Levels 11-20