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Monstrous Compendium - Mystara Appendix (2e)

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Rare dragons, wondrous giants, bizarre humanoids... For years such creatures have filled classic D&D campaigns set in the world of Mystara, along with the exotic hivebrood, rakasta, thoul, and many more.

Now, for the first time ever, more than 100 of Mystara's unique and most popular creatures have been developed and defined in AD&D game terms! This must-have volume will delight and horrify players of the new AD&D Mystara campaign as well as any fan of the all-time favorites within.

Product History

The Mystara Monstrous Compendium Appendix (1994) was produced by John Nephew, Teeuwynn Woodruff, John Terra, and Skip Williams. It was published in August 1994.

Moving Mystara. In Dragon #197 (September 1993), Bruce A. Heard announced that the Known World of Mystara would "be granted much greater attention and support as a major TSR line." To allow for this, Heard said that the Known World was "graduating" to the AD&D game. According to TSR's original plans, the new line was to kick off with a Monstrous Compendium, a dungeon adventure, a Castle Amberville Gazetteer, an almanac, new novels, and a new accessory about the Savage Coast.

Fans were a bit shocked, and some protested that AD&D didn't need another game world - and they were right there, as TSR's proliferation of game worlds was probably already causing them economic problems. What they didn't realize was that Basic D&D had been losing ground to AD&D for over a decade, and that TSR had been flailing about trying to find some way to support Basic D&D since 1990 - without success. The Classic Dungeons & Dragons Game (1994) would end up being the last release for TSR's introductory gaming system. If Mystara hadn't transferred over to AD&D, the world would have died.

Although TSR supported Mystara for only three years as an AD&D game world, from 1994-96, along the way they produced some handsome boxed sets and largely fulfilled their original plans. It all kicked off in August 1994 with two releases - Karameikos Campaign Setting and Mystara Monstrous Compendium Appendix.

Sources. The Mystara Monstrous Compendium is a rather impressive collection of almost 15 years of Known World material. It contains numerous monsters from the core sources that you'd expect, including the first four BECMI boxes (1983-84), six B-series Basic adventures, almost every X-series Expert adventure, three CM (Companion) adventures, and two M (or Master) adventures.

It also goes further afield, reprinting monsters that appeared in the DA (Blackmoor), XL (Licensed), XS (Solo), and O (One-on-One) series, as well as monsters from some later releases like Wrath of the Immortals (1992), Champions of Mystara: Heroes of the Princess Ark (1993), and "Rage of the Rakasta" (1993).

Prior to the publication of the Mystara Monstrous Compendium, Known World monsters had largely been collected in three volumes. Monsters from the rulebooks had been compiled in the D&D Rules Cyclopedia (1991) while monsters from adventures were compiled in AC9: Creature Catalogue (1986), which was later revamped as DMR2: Creature Catalog (1993). The Mystara Monstrous Compendium largely supersedes those previously compilations, though it of course updates everything to AD&D.

Because the Mystara Monstrous Compendium is such a comprehensive sourcebook, it also brings together some previously separated classes of critters, such as the living statues, the spider-kin, and the worms. (Yes, for some reason the Known World has tons of worms.)

Monsters of Note. This compilation is most notable for the deeply Mystaran creatures that it brings over to AD&D, among them the hutaakans of the Hollow World, the tentacular kopru, a variety of lizard-kin and spider-kin (the latter including the popular aranea), the lupin of the Savage Coast, pegataurs, the racoon-like phanaton, and the cat-like rakasta.

The Mystara Monstrous Compendium also includes several interesting typed creatures, most notably the unique drakes and crystalline dragons of Mystara - though the sapphire dragon was sadly misplaced. There are also some new inhabitants for the elemental planes, including Mystara's sentient answer to the quasi-elementals, which mix Law and Chaos with the standard elements, and a set of weaker elemental fundamentals.

The most infamous monster in this book is doubtless the decapus, which caused some problems in its original appearance in B3: "Palace of the Silver Princess" (1983).

Sadly, very few of the monsters from Mystara have influenced more recent editions of D&D. The bhut, the Neh-Tallgu brain collector, the choker, the frost salamander, the athach giant, the mud golem, the kopru, the nightshade, and the aranea spider-kin are the only monsters to appear in major Wizards of the Coast supplements for third edition. Several more iconic monsters like the lupin and the phanton showed up in Dragon or Dungeon magazine thanks to interest at Paizo.

About the Creators. This creatures in this book were originally created by a variety of authors over a 13-year period, then revamped and edited by freelancers and TSR staff alike. No doubt this overhaul was a major internal effort at Wizards!

About the Product Historian

The history of this product was researched and written by Shannon Appelcline, the author of Designers & Dragons - a history of the roleplaying industry told one company at a time. Please feel free to mail corrections, comments, and additions to

We (Wizards) recognize that some of the legacy content available on this website does not reflect the values of the Dungeons & Dragons franchise today. Some older content may reflect ethnic, racial, and gender prejudice that were commonplace in American society at that time. These depictions were wrong then and are wrong today. This content is presented as it was originally created, because to do otherwise would be the same as claiming these prejudices never existed. Dungeons & Dragons teaches that diversity is a strength, and we strive to make our D&D products as welcoming and inclusive as possible. This part of our work will never end.

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Michael H September 04, 2021 9:51 am UTC
Any chance this gets a POD soon?
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Adam J August 01, 2020 3:59 am UTC
POD please
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File Last Updated:
May 20, 2013
This title was added to our catalog on May 21, 2013.