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Andrew Theisen

Forsetta, enhanced description from the Mystara Mailing List posted 14 January 1996.

Cretia, enhanced description from the Mystara Mailing List posted 14 January 1996.

Aikido from the Mystara Mailing List posted 14 January 1996.

Preliminary Humanoid Timeline from the Mystara Mailing List posted 22 August 1996.

Whatever happened to ... your favourite Humanoids from the Mystara Mailing List posted 9 October 1996.

The Complete Glantri Timeline from the Mystara Mailing List posted 22 November 1996.

The Blackmoor/Thonia Timeline from the Mystara Mailing List posted 24 November 1996.

Urggrik-Graastok from the Mystara Mailing List posted 11 June 1997.

The Patera Project from the Mystara Mailing List posted 7 August 1997 to 08 August 1997.

Glantri the levels of the Princes(ses) from the Mystara Mailing List posted 16 October 1997.

Members of the 7 Crafts from the Mystara Mailing List posted 16 October 1997.

The topic of Dominion Bouncing from the Mystara Mailing List posted 16 October 1997.

Glantri Nobles from the Mystara Mailing List posted 17 October 1997.

Theology of the Atruaghin People from the Mystara Mailing List posted 7 November 1997.

Revised Mystic Class from the Mystara Mailing List posted 9 December 1997.

New PC Race: The Thoul from the Mystara Mailing List posted 24 April 1998.

New Race: The Thoul from the Mystara Mailing List posted 24 April 1998.

More Thoul stuff from the Mystara Mailing List posted 3 May 1998.

Revised Patera timeline from the Mystara Mailing List posted 11 May 1998.

A map of the Great Crater current as of 10 June 1998.

The Great Crater from the Mystara Mailing List posted 3 August 1998.

A map of the Kingdom of Karameikos AC 1016 current as of 28 November 1998.

Alphatia: The Lost Histories from the Mystara Mailing List posted 3 December 1998.

Lost Histories: Empire of Aran from the Mystara Message Board posted 3 December 1998.

The Clanless from the Mystara Message Board posted 3 December 1998.

The Sh'rai from the Mystara Message Board posted 3 December 1998.

The village of Dumhweil from the Mystara Message Board posted 11 December 1998.

The village of Dumhweil - Jox and Gnurds from the Mystara Message Board posted 11 December 1998.

The Kingdom of Ghyr from the Mystara Mailing List posted 23 January 1999.

The Restorationist kit from the Mystara Mailing List posted 3 February 1999.

Thoughts on the Isle of Dawn from the Mystara Mailign List posted 11 February 1999.

Secret Crafts: Phantasmer from the Mystara Message Board posted 20 April 1999.

Haflings and Blackflame and Glaurants from the Mystara Mailing List posted 4 June 1999.

A New-Twist to an Old Adversary from the Mystara Mailing List posted 11 June 1999. (done with Geoff Gander)

Hollow World Timeline from the Mystara Mailing List posted 24 June 1999.

Followers of the Claymore from the Mystara Mailing List posted 28 October 1999.

The Changing Face of Glantrian Politics from the Mystara Mailing List posted 15 January 2000.

The Truth Behind the Eternal Truth from the Mystara Mailing List posted 25 January 2000.

Arrh from the Mystara Mailing List posted 25 January 2000.

Twilight of the Dawn Chapter 1: A Fast Boat From Ochalea from Tome of Mystara issue 3 dated 31 March 2000.

Chameleon Men: From Normal to Nightmare from the Mystara Mailing List posted 18 June 2000.

Twilight Of The Dawn Chapter 2: Crossbow Bolt and Light Foot from Tome of Mystara issue 4 dated 1 July 2000.

Meet the Burrowers: D'resh the Destructor from the Mystara Mailing List posted 10 July 2000.

Meet the Burrowers: Klarkaszh the Corrupter from the Mystara Mailing List posted 10 July 2000.

Hutaaka maps - Dogvale current as of 2 October 2000.

Hutaaka maps - Northern Gnollheim Hills current as of 2 October 2000.

Hutaaka maps - Xyqata current as of 2 October 2000.

Twilight Of The Dawn: Chapter 3 Thanes for the Memories from Tome of Mystara issue 5 dated 2 October 2000.

Denial feat from the Mystara Mailing List posted 11 October 2000.

Kelter Zerben, 3E c. 1005 AC from the Mystara Mailing List posted 11 October 2000.

Rebirth domain from the Mystara Mailing List posted 11 October 2000.

Kelter Zerben, 3E c. 1009 AC from the Mystara Mailing List posted 16 October 2000.

The Hutaakan Valley Hollow World from the Mystara Mailing List posted 30 October 2000. (done with Mischa E Gelman, Matthew Wang and Håvard)

Frog-folk, 3rd edition from the Mystara Mailing List posted 11 November 2000.

Relic Hunter from the Mystara Mailing List posted 11 November 2000.

The Dungeon Master's Guide to Cynidicea from the Mystara Mailing List posted 28 November 2000. (done with Marco Dalmonte, Jeff Daly, Sharon Dornhoff, Geoff Gander, Mischa Gelman, Jamuga Khan, Fabrizio Paoli, Clay Postma and Tomas Sanchez. PDF compiled by Rod Batten with notes regarding compilation, current as of 24 April 2020.)

Kingdom of Blackheart Gazetteer from the Mystara Message Board posted 21 January 2001.

Prestige Class: Caerdwiccan Pirate from the Mystara Mailing List posted 6 April 2001.

History of the Filwarves from the Mystara Mailing List posted 15 January 2004.

Thoul, 3rd edition from the Mystara Message Board posted 1 May 2004.

OD&D to 3E conversion of characters from the Mystara Message Board posted 3 May 2004.

Alebane, 3E stats from the Mystara Mailing List posted 6 May 2004.

Kol, 3E stats from the Mystara Mailing List posted 13 May 2004.

New Averoigne Succession from the Mystara Mailing List posted 29 May 2004.

Regions of the Shadowdeep from the Mystara Message Board posted 8 June 2004.

Jaervosz Dustyboots, 3E stats from the Mystara Message Board posted 15 June 2004.

Survivor All-Stars: The d'Ambrevilles from the Mystara Message Board posted 22 June 2004.

Genoid 3E from the Mystara Message Board posted 25 June 2004.

Darokin timeline - Darokinian heroes from IM2 from the Mystara Mailing List posted 29 August 2004.

Ethnicities and Ethnic Feats from the Mystara Message Board posted 12 October 2004.

Denagoth Brutes from the Mystara Message Board posted 19 October 2004.

Neshezu from the Mystara Message Board posted 3 November 2004.

Phanaton racial workup for 3E from the Mystara Message Board posted 10 January 2005.

Hutaakan racial workup for 3E from the Mystara Message Board posted 14 January 2005.

Another Belcadiz Theory from the Mystara Mailing List posted 16 January 2005.

Fount of Vitality - Relic of the Shiye from the Mystara Mailing List posted 16 January 2005.

Ezechiel Naramis from the Mystara Mailing List posted 19 January 2005.

Fixing GAZ7 and X13 from the Mystara Mailing List posted 20 January 2005.

Vincienzo di Randazzi from the Mystara Mailing List posted 28 January 2005.

Decius Arrenius Adjutor ( Human / Paladin / 6 / Male ) from the Mystara Mailing List posted 22 April 2005.

The Rusalka (Roxana Nastase) ( Human / Fighter / 3/ Commoner/1 / Female ) from the Mystara Mailing List posted 22 April 2005.

Planes from the Mystara Message Board posted 15 July 2005.

Additional Potential Prestige Classes for Mystara from the Mystara Message Board last updated 24 September 2005.

Isle of Cathos and vicinity: option 1 and option 2 current as of 4 October 2005.

Timeline for The Treasure of the Hideous One from the Mystara Message Board posted 8 October 2005.

Some events fleshing out the timeline current as of 11 October 2005.

Cryion from the Mystara Mailing List posted 8 November 2005.

Description of the immortal Orisis from the Mystara Message Board posted 1 March 2006.

Broken Lands picture from the Mystara Mailing List posted 31 March 2006.

Witch Circle Craft from the Mystara Mailing List posted 7 April 2006.

Svartalven from the Mystara Mailing List posted 22 April 2006.

Sentient Races of Mystara [Aarakocra-Giant by Matthew Levy with comments by David Knott] [Giff - Zombie, Lightning and Savage Coast critters and addenda including extended Bugbear and Dwarf entries by Giampaolo Agosta]. Additional updates and comments by Giampaolo Agosta and Andrew Theisen. Posted on the Mystara Mailing List last updated 18 September 2006.

Dark Glantri from the Mystara Message Board posted 30 September 2006.

Evil Known World from the Mystara Message Board posted 30 September 2006.

Magic Item Conversion and Creation Index from the Mystara Message Board posted 14 November 2006.

Undersea Boat from the Mystara Message Board posted 14 November 2006.

Chime of Time from the Mystara Message Board posted 14 November 2006.

Egg of Wonder from the Mystara Message Board posted 14 November 2006.

Hurricane Lamp from the Mystara Message Board posted 14 November 2006.

Lamp of Long Burning from the Mystara Message Board posted 14 November 2006.

Known World Regions from the Mystara Message Board posted 11 December 2006.

Humans of the Known World from the Mystara Message Board posted 26 January 2007. (with entries by Håvard and John Walter Biles)

Mystaran acronyms from the Mystara Message Board posted 6 May 2007.

Mystara Module and Placement from the Mystara Message Board posted 14 June 2007.

Cay-Man from the Mystara Message Board posted 20 June 2007.

Placing the Village of Kirkuk from The Piazza posted 5 June 2008.

Order of the Spell Skirmisher from The Piazza posted 10 July 2008.

Dark History of the d'Ambreville Family from The Piazza posted 27 January 2009.

d'Ambreville Family Tree from The Piazza posted 28 January 2009.

Kubitts Reimagined from The Piazza posted 27 March 2009.

Populating the Hollow World: Immortal Action from The Piazza posted 23 May 2009.

Immortals and the Chicken and Egg of Cultural Development from The Piazza posted 16 June 2009.

Not-So Gentle Folk? from The Piazza posted 21 June 2009.

Kubitt, OD&D from The Piazza posted 22 June 2009.

Totem Barbarians from The Piazza posted 23 July 2009. [added to original by Greg Weatherup]

HR supplement Mighty Fortress in the Savage Coast from The Piazza posted 7 August 2009.

Types of Shark-kin from The Piazza posted 14 August 2009.

Maps of the Hutaaka Valley, 8 miles per hex from The Piazza posted 22 November 2009.

Thoughts on Fleshing out the Plane of Entropy from The Piazza posted 21 March 2010. [thoughts also by Håvard]

B1-9 In search of Adventure abridgments from The Piazza posted 31 May 2010.

Here there be pirates! from The Piazza posted 27 July 2010.

Thoughts on the Anathy Archipelago from The Piazza posted 30 July 2010.

Floating Continents from The Piazza posted 4 August 2010.

Mystara Modules and Placement from The Piazza posted 16 August 2010.

Paths to Immortality in the Hollow World from The Piazza posted 23 August 2010.

Hollow World Barter System/Alternate Economies from The Piazza posted 3 September 2010.

Hollow World Pre-Literate and Alternative Spellbook Options from The Piazza posted 3 September 2010.

The Radu Clan from The Piazza posted 9 March 2011.

Mystaran monsters and villains from The Piazza posted 16 July 2011. (contributions also by Blacky the Blackball, John Calvin, Robert J. Nuttman, Jr., Simone Neri, Cab Davidson, JTrithen and Snorri).

Thoughts about al-Kalim from The Piazza posted 6 September 2011.

Bringing the Atruaghin Clans into the Known World from The Piazza posted 21 November 2011.

Rethinking Cultural Bias from The Piazza posted 25 December 2011.

Timeline for DDA1 and 2 from The Piazza posted 26 July 2012.

Thyatian Senators from The Piazza posted 26 July 2012. (input also by JTrithen)

Some Savage Tide Mystara variants from The Piazza posted 25 February 2013.

Stonewall population from The Piazza posted 14 April 2013. (with comments by Bruce Heard)

Unveiling the Radu Clan from Threshold Magazine issue 1 dated 30 September 2013.

Elves on Skothar-Brun before the GRoF from The Piazza posted 18 December 2013. (added to original by Håvard)

Threshold Magazine Editorial: From the Vaults ... from Threshold Magazine issue 2 dated 13 January 2014.

Dark Glantri Revisited from Threshold Magazine issue 2 dated 13 January 2014.

Pathfinder Adventure Paths in Mystara from The Piazza posted 29 January 2014.

Map of Bararna Island from Threshold Magazine issue 4 dated 30 June 2014. (article by Geoff Gander published in issue 3)

Timeline of the Sea of Dread from Threshold Magazine issue 3 dated 25 March 2014.

Known Remnants of Nithia by from The Piazza posted 21 December 2016. (compiled by Håvard with additions by Ripvanwormer, Robin, Robert J. Nuttman, Jr., David Keyser, Jayce and Giampaolo Agosta)

Death Demon, exalted level from The Piazza posted 17 February 2017.

Night Dragon, Median, quick workup from The Piazza posted 20 March 2017.

Dinosaurs and Beasts of the Lost World from The Piazza posted 26 July 2017.

Complete List of Mystara Artifacts from The Piazza posted 12 December 2017.

Spheres of Power and Outsiders from The Piazza posted 30 January 2018.

Errata questions and proposed solutions about Merchant-Prince Spellcasting from The Piazza posted 11 March 2018. [with additional thoughts by Giampaolo Agosta and Craig Antoun]

Errata questions and proposed solutions about Foresters from The Piazza posted 11 March 2018. [with additional thoughts by Giampaolo Agosta and Craig Antoun]

Pathfinder Adventure Paths in Mystara from The Piazza posted 22 August 2019.

Thoughts on using the Heldannic Knights from The Piazza posted 7 October 2019.

Alternative view of adapting AD&D gemstone dragons to Mystara from The Piazza posted 7 January 2020.

IM2 Legends and the Darokin/Alfheim Timeline from The Piazza posted 28 January 2020.

[BECMI] Weapon Mastery revamp from The Piazza posted 13 June 2020.

Immortals to Pathfinder Gods Comparisons from The Piazza posted 20 October 2020.

Magic Items by Type and Source from The Piazza posted 30 June 2021.

Converting morale between BECMI and 2E from The Piazza posted 16 September 2021.

Converting treasure types between BECMI and 2E from The Piazza posted 16 September 2021.

Thoughts about revamped skill system from The Piazza posted 1 January 2022.

Also see

Cthulhudrew’s Bararna Island, 8 miles per hex by Thorfinn Tait, from the Atlas of Mystara current as of 7 June 2021.

Cthulhudrew’s Limn, 8 miles per hex by Thorfinn Tait, from the Atlas of Mystara current as of 6 June 2021.

Cthulhudrew’s Hutaaka, 8 miles per hex by Thorfinn Tait, from the Atlas of Mystara current as of 5 June 2021.

Cthulhudrew’s Fenhold, 1 mile per hex by Thorfinn Tait, from the Atlas of Mystara current as of 4 June 2021.

Cthulhudrew’s Atruaghin, 8 miles per hex by Thorfinn Tait, from the Atlas of Mystara current as of 3 June 2021.

Cthulhudrew’s Journey to the Rock, 1 mile per hex by Thorfinn Tait, from the Atlas of Mystara current as of 2 June 2021.

Cthulhudrew’s Dogvale, 8 miles per hex by Thorfinn Tait, from the Atlas of Mystara current as of 1 June 2021.

Cthulhudrew’s Gnollheim, 8 miles per hex by Thorfinn Tait, from the Atlas of Mystara current as of 31 May 2021.

Cthulhudrew’s Caerdwicca, 8 miles per hex by Thorfinn Tait, from the Atlas of Mystara current as of 30 May 2021.

Cthulhudrew’s Xyqata, 8 miles per hex by Thorfinn Tait, from the Atlas of Mystara current as of 29 May 2021.

Cthulhudrew’s Ghyr, 8 miles per hex by Thorfinn Tait, from the Atlas of Mystara current as of 28 May 2021.

Cthulhudrew’s Eastern Shadow Coast, 8 miles per hex by Thorfinn Tait, from the Atlas of Mystara current as of 27 May 2021.

Cthulhudrew’s Blackmoor, 24 miles per hex by Thorfinn Tait, from the Atlas of Mystara current as of 26 May 2021.

Cthulhudrew’s Cathos and Vacros v2, 8 miles per hex by Thorfinn Tait, from the Atlas of Mystara current as of 25 May 2021.

Cthulhudrew’s Cathos and Vacros v1, 8 miles per hex by Thorfinn Tait, from the Atlas of Mystara current as of 24 May 2021.

Cthulhudrew’s Karameikos, 8 miles per hex by Thorfinn Tait, from the Atlas of Mystara current as of 23 May 2021.

Cthulhudrew’s Great Crater Sublevel 2, 8 miles per hex by Thorfinn Tait, from the Atlas of Mystara current as of 22 May 2021.

Cthulhudrew’s Great Crater Sublevel 1, 8 miles per hex by Thorfinn Tait, from the Atlas of Mystara current as of 21 May 2021.

Cthulhudrew’s Great Crater, 8 miles per hex by Thorfinn Tait, from the Atlas of Mystara current as of 20 May 2021.