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Rules
The Mystara campaign
Mystara specific rules
The Red Curse and the Savage Coast
Campaigning
Campaign economics
Construction
NPCs UPDATED
Game mechanics
Game mechanics
Encounters
Combat and warfare
Combat
Martial arts
Swordsmanship
Warfare and mass combat
Magic
Magic and spellcasting
Mana manipulation
Chronomancy
Equipment
Items
Weaponry
Magic items
Characters
Characters
Ability scores
Alignment
Weapon mastery
Mastery
Game conversions
Converting between different editions of D&D
General rules
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Library of Tinkering: Custom Rules for the Mystara Campaign Setting by Donald Eric Kesler, Sarah Kesler and Bob Wagstaff, current as of 17 December 2011.
Optional rules for a more basic campaign by Jeff Querner and Angelo Bertolli current as of 06 June 2001.
House Rules by Angelo Bertolli current as of 06 June 2001.
Rules Review by Tomás Sánchez, from the Mystara Message Board posted 27 December 1999.
Random Events by Kenneth Baggaley from the AOL Mystara Mailing List posted 2 January 1997. NEW
The Mystara campaign
Mystara specific rules
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The Radiance for 3.5 by Håvard Faanes from the Mystara Mailing List posted 22 March 2004.
Spell of Preservation by James Ruhland, from the Mystara Message Board posted 17 December 1999.
The Red Curse and the Savage Coast
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Rules for Legacy and Affliction in 3E by Trevor Mellis, current as of 10 August 2001.
Differences between the D&D and AD&D red curse rules by David Knott, from the Mystara Mailing List posted 19 July 1998.
Campaigning
Campaign economics
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Barter System/Alternate Economies by Andrew Theisen, from The Piazza posted 15 June 2009.
Kingdom of Eusdria: population and military by Giampaolo Agosta from the Mystara Mailing List posted 25 April 2002.
Calculations with Dominions by Mike Harvey, from the Mystara Message Board posted 22 February 2001.
The City States Economics an example AC 1000 by Bruce Heard, from the Mystara Message Board posted 17 September 1999.
Bellissarian Economics an example by Bruce Heard, from the Mystara Message Board posted 13 January 1999.
Dominion Economics excel file by Bruce Heard, current as of 22 July 1999.
Dominion Economics 101 by Bruce Heard, from the Mystara Message Board posted 21 January 1999.
Known World Grimoire: Letters and more economics by Bruce Heard from Dragon Magazine 189 published January 1993.
Construction
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A Watchtower by Sean Meaney, current as of 06 September 2005.
Cost of a thieves hideout with cover building by John Hare, from the Mystara Message Board posted 18 January 1999.
Ship and dock construction by Marco Dalmonte, from the Mystara Message Board posted 12 November 1998.
The cost of building a tavern by Bruce Heard, from the Mystara Message Board posted 06 October 1998.
The cost of building a hovel by Bruce Heard, from the Mystara Message Board posted 06 October 1998.
Building it excel file by Bruce Heard current as of 12 January 1999.
Building it, examples by Bruce Heard, from the Mystara Message Board posted 29 December 1998.
Building it version 3, the cost of construction by Bruce Heard, from the Mystara Message Board posted 29 December 1998.
Labour Issues by Bruce Heard, from the Mystara Message Board posted 06 October 1998.
Building description - knights' hostel by Brant Guillory, from netMAG 3.
Building description - knights chapterhouse by Brant Guillory, from netMAG 3.
Known World Grimoire: Castles Revisited by Bruce Heard from Dragon Magazine 193 published May 1993.
NPCs
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NPC building technique by Beau Yarbrough, from the Mystara Mailing List posted 30 April 2000.
Rules for expanding upon non-combatant humans by Mike Harvey, from the Mystara Mailing List posted 24 March 1998.
Noble NPCs by Kenneth Baggaley from the AOL Mystara Mailing List posted 30-31 December 1996. NEW
Game mechanics
Game mechanics
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Creature subtype: Exalted by Jamie Baty from the Mystara Message Board last updated 14 March 2007.
Spellcasters For Hire by Scott Moore, current as of 04 July 2004.
Handling Poison by Angelo Bertolli current as of 06 June 2001.
Insanity, Horror, and the Outer Beings in Mystara by Geoff Gander, from the Mystara Message Board posted 02 June 1999.
Encounters
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Random Encounter Tables by Angelo Bertolli current as of 06 June 2001.
Combat and warfare
Combat
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Combat Stunts by Jacob Skytte, from the Mystara Mailing List posted 03 February 2003.
OD&D/AD&D Flexible Combat by Scott Ludwig, from the Mystara Message Board as of 31 August 2001.
The Continuous Combat System by Jim Bobb, from the Mystara Mailing List posted 13 August 1999.
Variant Combat System by Tracy A. Bandy, from the Mystara Mailing List posted 10 June 1996.
Some aspects of the combat system by Oeystein H. Lund, from the Mystara Mailing List posted 22 April 1996.
Martial arts
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Canon references to martial arts by Giampaolo Agosta from the Mystara Message Board posted 18 December 2004.
Secret passes of the Ten Thousand Fists of the Khan by Giampaolo Agosta from the Mystara Mailing List posted 18 September 2004.
Diffusion and Development of Martial Arts in Mystara by Giampaolo Agosta from the Mystara Mailing List posted 09 September 2004.
Martial Arts Styles by Marco Dalmonte, from the Mystara Mailing List posted 18 August 2000.
Basic martial arts weapon mastery charts by redfish, from the Mystara Mailing List posted 30 April 1998.
Elemental Martial Arts by David Melik, from the Mystara Mailing List posted 29 March 1997.
Unarmed Combat Styles in D&D by George Hrabovsky, from the Mystara Mailing List posted 28 June 1996.
Aikido by Andrew Theisen, from the Mystara Mailing List posted 14 January 1996.
Swordsmanship
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Secret Passes by Almadjian, from the Mystara Message Board posted 25 June 2002.
Darokinian Rapier and Main-Gauche Fighting feat for 3E by David S. Leland, from the Mystara Mailing List posted 15 September 2000.
Fighting Style: Karameikan Style by Beau Yarbrough, from the Mystara Mailing List posted 22 May 2000.
En Garde!. An article on Savage Coast sword tactics by Cindi Rice, from Dragon Magazine 232 published August 1996.
Warfare and mass combat
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Naval Combat by Donald Eric Kesler, current as of 12 March 2009.
War Machine in 3E by Jamie Baty from the Mystara Message Board last updated 7 September 2006.
War Machine options by Jamie Baty from the Mystara Message Board last updated 14 July 2005.
War Machine modifications for X10 by Ville V Lähde, current as of 10 September 2001.
Mystaran Mass Combat System by Adrian Mattias and James Ruhland, from the Mystara Message Board posted 26 April 2000.
Formation Fighting by Rob, from the Mystara Mailing List posted 03 February 2000.
Rules for Mass Aerial Combat by Aaron Nowack, from the Mystara Mailing List posted 14 April 1998.
Known World Grimoire: Assembling Armies in the D&D Known World by Bruce Heard, from Dragon Magazine 191 published March 1993.
Magic
Magic and spellcasting
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Magic and Mystara by Håvard Faanes, from the Mystara Mailing List posted 05 January 2006.
Spell Enhancement by David Paige, from the Mystara Message Board posted 05 September 2005.
Spell Foci by David Paige, from the Mystara Message Board posted 24 August 2005.
Wizards and Armour by Marco Dalmonte, from the Mystara Mailing List posted 31 August 1999.
Suggestions for Spell Variation by Barry Clarke, from the Mystara Mailing List 13 February 1999.
OD&D Illusionist Spells suggestions by Jim Bobb, from the Mystara Mailing List 29 January 1999.
Mana manipulation
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Raw Mana Manipulation by Adam Curtis, from the Mystara Mailing List posted 13 June 1998.
Magical Parrying by Adam Curtis, from the Mystara Mailing List posted 08 June 1998.
Chronomancy
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Mystara and Chronomancy, version 1.1 by Hervé Musseau, from the Mystara Mailing List posted 09 September 1998.
Chronomancy and the Multiverse, version 1.1. An excerpt, relevant to Mystara, from the Chronomancer supplement by Roger E Moore published 1995.
Equipment
Items
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Price List by Ville Lähde current as of 20 May 2003.
New scheme for item prices by Pasi Anias, from the Mystara Mailing List posted 26 February 1997.
Weaponry
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Gunpowder in Mystara by Khuzd, from The Piazza posted 12 July 2008.
New Weapon System by Angelo Bertolli current as of 22 June 2001.
Equipment Weights and Weapon Damage for Wee Folk by Geoff Gander, current as of 10 July 1998.
Magic items
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Magic Item Tables by Angelo Bertolli current as of 06 June 2001.
Characters
Characters
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PC's families (random determination) by Akiyama, from the Mystara Message Board posted 16 August 2007.
Meta-classes by Sean Meaney, from the Mystara Message Board posted 02 June 2007.
Known World Regions by Andrew Theisen from the Mystara Message Board posted 11 December 2006.
Reconciling immortals by Scott Moore, current as of 26 July 2005.
A more swashbuckling Rake house rules for different character classes by Joe Mason from the Mystara Mailing List posted 26 February 2005.
Demihuman races in basic D&D by Joe Mason from the Mystara Mailing List posted 26 February 2005.
Epic Levels in OD&D by Scott Moore, current as of 28 March 2004.
Multi-classing OD&D characters by Jim Bobb, current as of 07 June 1999.
Class Switching ideas by David Knott, from the Mystara Mailing List posted 22 June 1998.
Ability scores
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Appearance and Comeliness by Scott Moore, current as of 28 March 2004.
OD&D Ability Score Adjustments by Jim Bobb, current as of 05 March 1999.
AD&D Revised Strength Table by Jim Bobb, from the Mystara Mailing List 29 January 1999.
AD&D Revised Intelligence Table by Jim Bobb, from the Mystara Mailing List 29 January 1999.
A way to increase Ability Scores by Martin Johansen, from the Mystara Mailing List posted 22 July 1997.
Alignment
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FRPG Personal Code: an Alignment Alternative by Jenni A. M. Merrifield, from the Mystara Mailing List posted 12 November 1999.
New Rules for Alignment by Marco Dalmonte, from the Mystara Mailing List posted 31 January 1998.
Weapon mastery
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Flintlock Weapons by Donald Eric Kesler, current as of 26 February 2009.
Thompson Sub Machine Gun M1928A1 by Donald Eric Kesler, current as of 14 April 2008.
Weapon Mastery and Class Balance in OD&D by Dan Eustace, from the Mystara Mailing List posted 20 August 2002.
Flails and Morningstars weapon mastery by Geoff Gander, from the Mystara Mailing List posted 08 August 2000.
Ur-Carnifex Bow weapon mastery by Geoff Gander, from the Mystara Message Board posted 12 April 1999.
Weapon Mastery for AD&D by Ron Murphy, from the Mystara Mailing List posted 30 April 1998.
A weapon mastery system v2.0 by David Melik, from the Mystara Mailing List posted 30 April 1996.
Mastery
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Monster Mastery by JJJ, from the Mystara Mailing List posted 12 December 2002.
Mastery and Training by Phillip Jones, from the Mystara Mailing List posted 21 August 2002.
Game conversions
Converting between different editions of D&D
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Character Builder to Known World Conversion Supplement -- Broken Lands by David Knott, current as of 26 October 2009.
Character Builder to Known World Conversion Supplement -- Highlands by David Knott, current as of 26 October 2009.
Character Builder to Known World Conversion Supplement -- Karameikos by David Knott, current as of 26 October 2009.
Character Builder to Known World Conversion by David Knott, current as of 26 October 2009.
M4E in Mystara by Ashtagon, from The Piazza posted 27 August 2009.
PHB2 for Mystara by Rodger Burns, from The Piazza posted 23 August 2009.
HR supplement Mighty Fortress in the Savage Coast by Andrew Theisen, from The Piazza posted 07 August 2009.
Mystara Fourth Edition from The Piazza last file posted 10 February 2009.
3E Quick And Dirty Conversion by Håvard Faanes, from The Piazza posted 18 December 2008.
4E Quick And Dirty Conversion by Håvard Faanes, from The Piazza posted 17 December 2008.
4E classes in OD&D: Warlock by Giampaolo Agosta, from The Piazza posted 16 November 2008.
Immortal God equivalency by region by Giampaolo Agosta, from The Piazza posted 09 July 2008.
Mystaran Immortal equivalents of 4E Gods by Joe Not Charles, from The Piazza posted 08 July 2008.
Monster Manual 5 - Mystaran Adaptation by Ohad Shaham from the Mystara Mailing List posted 04 August 2007.
Hollow World 3.5 race conversions by Gary Davies from the Mystara Mailing List posted 04 March 2005.
OD&D to 3E conversion of characters by Andrew Theisen, from the Mystara Message Board posted 03 May 2004.
Converting monsters to the 3rd edition rules system by Trevor Mellis, current as of 10 July 2001.
D&D to AD&D Conversion Notes by Ian R Malcomson, from the frp newsgroup July 1998.
Adapting AD&D to Mystara by Håvard Faanes, from the Mystara Mailing List posted 11 March 1998.