That is not dead which can eternal lie,
And with strange aeons even death may die…

Two-Volume Slipcase Set


Here, shall you know the terrors of the void, the nightmare bringers, and the unspeakable lurkers.

Ancient secrets, whispered lore, and collected facts concerning the alien and otherworldly horrors of the Cthulhu Mythos. A cavalcade of monsters and god-like alien intelligences beyond human understanding, all vividly detailed and portrayed. With over 250 entries to inspire countless adventures.



The information within is designed to bring the creatures and bizarre races of the Cthulhu Mythos to life at the gaming table, as well as all manner of Great Old Ones, Outer Gods, Elder Gods, Avatars, and Unique Beings. Their lore and statistics updated and revised for the Call of Cthulhu 7th edition game (and Pulp Cthulhu).

All brought to startling life by the illustrations of expert artist Loïc Muzy.



This 460 page two-volume collection is packed with ideas, concepts, and insights to immerse your scenarios and campaigns deep in the heart of the Cthulhu Mythos.

Malleus Monstrorum Cthulhu Mythos Bestiary

Publisher: Chaosium
Ruleset: 7th Edition Call of Cthulhu
Year Released: 2020
Format: 2 Volume Full Color Slipcase Set
Page Count: 216 and 264
ISBN: 978-1-56882-334-8
Authors: Mike Mason, Scott David Aniolowski, Paul Fricker
Cover Artist: Loïc Muzy
Interior Artists: Loïc Muzy
Layout: Nicholas Nacario

MSRP for 2 Vol Slipcase Set: $89.99 (inc PDF)





‘Chaosium Unveiled’ looks inside the Malleus Monstrorum…

Malleus Monstrorum | Chaosium Unveiled

You can pick up your copy at Chasoium‘s store HERE.