The Citadel of Thunder

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The Citadel of Thunder
Thousand Thunder Falls from The Citadel of Thunder
Designer(s) David A. Hargrave
Publisher(s) Grimoire Games
Publication date 1979
Genre(s) Fantasy
System(s) Arduin

The Citadel of Thunder (also known as Arduin Dungeon Number Three) was a standalone short story and gaming module written in 1979 by David A. Hargrave and published by Grimoire Games. It was based upon Hargrave's gaming system known as Arduin. It is the third of only four standalone "dungeon" books created by Hargrave as an extension of his Arduin Multiverse, which at the time of The Howling Tower's publication was known as The Arduin Trilogy.


At 24 pages, The Citadel of Thunder contains overland maps with area descriptions and encounter charts, four dungeon levels with maps and room descriptions, eight pocket sized magic artifact cards and eight illustrated monster cards with statistics. There were also unique new traps in a matrix at the rear of the module. [1]

Illustrations were contributed by Greg Espinoza.


While designed for use with the Arduin gaming system, The Howling Tower is usable with any d20 or other RPG system. It was designed for mid-level characters (levels 5 thru 8).


The Citadel of Thunder was originally published by Grimoire Games and went out of print in 1984. In 2002 reprints of The Citadel of Thunder were made available from Emperor's Choice Games and Miniatures, but were discontinued in August 2006. Since then, the company folded The Citadel of Thunder and all other Arduin dungeon modules into a single publication called "Vaults of the Weaver". [2]

See also[edit]


  1. ^ Tome of Treasures :: View topic - The Citadel of Thunder (1979)
  2. ^ Emperors Choice Games and Miniatures Corp. - Vaults of the Weaver