robertsconley
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To start the New Year off, I want to pump up one of my favorite RPGs Harnmaster. It is a d100 roll low system that uses attributes in the 3-18 range much like Runequest. It has two distinctive feature. Character Creation is oriented towards low fantasy medieval settings and the combat system doesn't use hit points.
Character Creation
In general Harnmaster offers a set of skills and "packages" called occupations to allow the players to generate a character that fits in the medieval fantasy world of Harn. It is easily adaptable to any other setting based on a form of Medieval fantasy like D&D. It also includes Psionics and in two separate supplements a magic system, and a divine magic system. It has a bit of a Traveller feel in that "bad" things can happen during character creation if one opts to roll on the Medical or Mental Disorder table. You get extra attribute points if you opt to take rolls on either. There a chance that nothing bad will be gained 30% for both.
This blog post, a 911 Call From the Attic details the time when it taking rolls on those table didn't pay off for the player. He literally rolled a gimp character.
Overall it is about as detailed as Runequest and like Runequest less fussy than GURPS (except for Dungeon Fantasy, then it is the same) or Fantasy Hero.
Combat
Combat is a bit unique in that there are no hit points. Not even Fate/Fudge style levels of injury like Scratch, Minor, etc.
The way it works is as follows
You can get the Harnmaster Combat Tables for free
The way it accomplish is this is as follows
Example: Alex and Brian are fighting both have broadsword and shield and both are wearing mail +cloth.
1) Swing or shoot a weapon. If it has multiple aspects (edge, point, blunt) pick one. It will have an impact rating.
2) The target will pick a defense (Block, Counterstrike, Dodge, etc). Alex opts to strike to the middle with has a +0 modifer using the edge of his broadsword.
3) Both attacker and defender rolls a d100 versus skill (low is better). Any roll ending in a 0 or 5 is a critical result.
4) Cross reference the result. Example: Alex rolls a 45 for a Critical Success with his broadsword (he picks edge), while Brian tries to block with his shield and rolls a 73 a marginal failure.
5) The result is A * 2 meaning the attack hit and will roll 2d6 + the impact rating of the weapon. Alex has a broadsword which has an impact of 5 for the edge. He roll an 8 and does 13 impact.
6) Alex rolls for hit location and scores a hit on the upper arm. Brian's Mail+Cloth gives him a protection value of 9 versus edge attacks. So 5 impact gets through.
7) Cross-indexing 5 impact with upper arm will give a <>M1 result <> being a diamond.
What this means Brian suffer a minor slash to the upper arm doing one 1 injury. The diamond means that he has to roll a fumble roll (roll to see if it the right or left arm). He rolls 3d6+1(injury) if it less than or equal to his dexterity he does not fumble. If Brian already had an injury say a 3 injury stab to the left thigh then the roll would be 3d6+4.
In addition Brian has to make a shock roll. Because it was a minor injury of 1 he has to roll 1d6 equal to or below his endurance. However he had already suffer an injury, like the 3 injury stab, then it adds in and Brian has to roll 4d6 equal or below his Endurance.
Many who play Harnmaster view this has overly harsh especially compared to 1st edition. So opt to house rule it. The rules I used is (current injury)d6 + previous injury. So with a 3 injury stab Brian would be rolling 1d6+3. And the next shock roll would be (current injury)d6+4.
If the shock roll is failed the character passes out.
8) Brian notes on his character 1 Minor Slash Left Upper Arm and adds 1 injury to current penalty levels.
This means that Brian is now -5% to skill rolls and has to add 1 to any ability test.
The implication if a character is a mess of minor stabs and slashes but doesn't otherwise fail a shock roll or one of the other ability test, they will virtually not be able to do anything as all skill rolls will be a marginal or critical failure.
Indeed it is possible, although not likely, for both combatants to wind in a state with both are rolling nothing but marginal or critical failure in the final rounds of a combat encounter.
Conclusion
The key that makes this work are the well designed combat tables which are freely available and the fact that most everything it pre-calculated on the character sheet.
Harn Character Sheet.
While not as fast as D&D, Fate or other system with abstract combat and light details. It is however among the fastest if not the fastest among system that opt to treat combat in detail like GURPS, Rolemaster, Runequest, etc.
Mainly because literally everything is in those charts. There is no shopping list or manuevuers, feats, or abilities one has to refer too while resolving combat. There are modifiers and rules that are found only in the rule books (like for mounted combat) however due to the loose leaf format of Harnmaster one can photocopy a secondary cheat sheet. Or use one of the numerous fan sheets out there.
Again my 911 call from the Attic Post has a detailed account of a session I ran of Harnmaster
The Downside
Everything outside of the Harnmaster rules themselves are a premium priced products even the PDFs. The magic system, the divine system, and most of the bestiary are separate products. In general the format is loose leaf although for a few they supply a binder this also a downside for many. The good news is that the vast majority are of good to excellent quality.
The list of Harnworld products.
Character Creation
In general Harnmaster offers a set of skills and "packages" called occupations to allow the players to generate a character that fits in the medieval fantasy world of Harn. It is easily adaptable to any other setting based on a form of Medieval fantasy like D&D. It also includes Psionics and in two separate supplements a magic system, and a divine magic system. It has a bit of a Traveller feel in that "bad" things can happen during character creation if one opts to roll on the Medical or Mental Disorder table. You get extra attribute points if you opt to take rolls on either. There a chance that nothing bad will be gained 30% for both.
This blog post, a 911 Call From the Attic details the time when it taking rolls on those table didn't pay off for the player. He literally rolled a gimp character.
Overall it is about as detailed as Runequest and like Runequest less fussy than GURPS (except for Dungeon Fantasy, then it is the same) or Fantasy Hero.
Combat
Combat is a bit unique in that there are no hit points. Not even Fate/Fudge style levels of injury like Scratch, Minor, etc.
The way it works is as follows
You can get the Harnmaster Combat Tables for free
The way it accomplish is this is as follows
Example: Alex and Brian are fighting both have broadsword and shield and both are wearing mail +cloth.
1) Swing or shoot a weapon. If it has multiple aspects (edge, point, blunt) pick one. It will have an impact rating.
2) The target will pick a defense (Block, Counterstrike, Dodge, etc). Alex opts to strike to the middle with has a +0 modifer using the edge of his broadsword.
3) Both attacker and defender rolls a d100 versus skill (low is better). Any roll ending in a 0 or 5 is a critical result.
4) Cross reference the result. Example: Alex rolls a 45 for a Critical Success with his broadsword (he picks edge), while Brian tries to block with his shield and rolls a 73 a marginal failure.

5) The result is A * 2 meaning the attack hit and will roll 2d6 + the impact rating of the weapon. Alex has a broadsword which has an impact of 5 for the edge. He roll an 8 and does 13 impact.
6) Alex rolls for hit location and scores a hit on the upper arm. Brian's Mail+Cloth gives him a protection value of 9 versus edge attacks. So 5 impact gets through.
7) Cross-indexing 5 impact with upper arm will give a <>M1 result <> being a diamond.

What this means Brian suffer a minor slash to the upper arm doing one 1 injury. The diamond means that he has to roll a fumble roll (roll to see if it the right or left arm). He rolls 3d6+1(injury) if it less than or equal to his dexterity he does not fumble. If Brian already had an injury say a 3 injury stab to the left thigh then the roll would be 3d6+4.
In addition Brian has to make a shock roll. Because it was a minor injury of 1 he has to roll 1d6 equal to or below his endurance. However he had already suffer an injury, like the 3 injury stab, then it adds in and Brian has to roll 4d6 equal or below his Endurance.
Many who play Harnmaster view this has overly harsh especially compared to 1st edition. So opt to house rule it. The rules I used is (current injury)d6 + previous injury. So with a 3 injury stab Brian would be rolling 1d6+3. And the next shock roll would be (current injury)d6+4.
If the shock roll is failed the character passes out.
8) Brian notes on his character 1 Minor Slash Left Upper Arm and adds 1 injury to current penalty levels.
This means that Brian is now -5% to skill rolls and has to add 1 to any ability test.
The implication if a character is a mess of minor stabs and slashes but doesn't otherwise fail a shock roll or one of the other ability test, they will virtually not be able to do anything as all skill rolls will be a marginal or critical failure.
Indeed it is possible, although not likely, for both combatants to wind in a state with both are rolling nothing but marginal or critical failure in the final rounds of a combat encounter.
Conclusion
The key that makes this work are the well designed combat tables which are freely available and the fact that most everything it pre-calculated on the character sheet.
Harn Character Sheet.
While not as fast as D&D, Fate or other system with abstract combat and light details. It is however among the fastest if not the fastest among system that opt to treat combat in detail like GURPS, Rolemaster, Runequest, etc.
Mainly because literally everything is in those charts. There is no shopping list or manuevuers, feats, or abilities one has to refer too while resolving combat. There are modifiers and rules that are found only in the rule books (like for mounted combat) however due to the loose leaf format of Harnmaster one can photocopy a secondary cheat sheet. Or use one of the numerous fan sheets out there.
Again my 911 call from the Attic Post has a detailed account of a session I ran of Harnmaster
The Downside
Everything outside of the Harnmaster rules themselves are a premium priced products even the PDFs. The magic system, the divine system, and most of the bestiary are separate products. In general the format is loose leaf although for a few they supply a binder this also a downside for many. The good news is that the vast majority are of good to excellent quality.
The list of Harnworld products.