Alvarez, known as the Purging Duke, is the demon lord

Demon lord (Dungeons & Dragons)

In the Dungeons & Dragons fantasy role-playing game, demon lords are demons who have gained great power and established a position of preeminence among demonkind. Each demon lord has a unique appearance and set of abilities. Most control at least one layer of the Abyss...

 of Torture and Inquisition, in the Dungeons & Dragons

Dungeons & Dragons

Dungeons & Dragons is a fantasy role-playing game originally designed by Gary Gygax and Dave Arneson, and first published in 1974 by Tactical Studies Rules, Inc. . The game has been published by Wizards of the Coast since 1997...

roleplaying game.

Publication history

Alvarez was first mentioned in Faces of Evil: The Fiends (1997).

Alvarez received further details in third edition in Fiendish Codex I: Hordes of the Abyss

Fiendish Codex I: Hordes of the Abyss

Fiendish Codex I: Hordes of the Abyss is an optional supplemental source book for the 3.5 edition of the Dungeons & Dragons roleplaying game.-Chapter 1: Demonic Lore:...

(2006).

Description

Alvarez is a master of torture who searches the ranks of the tanar'ri incessantly for signs of the taint of Law. As a mere petitioner, he outwitted the nalfeshnee of Woe who judged him, and served as a maggot-loving chasme and then a powerful glabrezu assassin (for 3,000 years) before gaining a demonic form closely resembling his living one: a human man with oily blue-black hair. His clothing is immaculate, but a light of insanity burns in his eyes.

Relationships

Alvarez is famous for the brutalities he inflicts upon his own troops. Even demons

Demon (Dungeons & Dragons)

In the Dungeons & Dragons fantasy role-playing game, demons are the most widespread race of fiends. The demons are chaotic evil by nature, and are native to the Abyss...

 fear his inventive torments.

Realm

Alvarez dwells on the 57th layer of the Abyss

Abyss (Dungeons & Dragons)

In the Dungeons & Dragons fantasy role-playing game, the Abyss or more fully, the Infinite Layers of the Abyss, is a chaotic evil-aligned plane of existence. It is one of a number of alignment-based Outer Planes that form part of the standard Dungeons & Dragons cosmology, used in the Planescape...

, known as Torturous Truth.