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+---- Thread: Armor saves in AiF compared to OD&D (/showthread.php?tid=1829)
Armor saves in AiF compared to OD&D - hedgehobbit - 07-06-2014
AiF uses an armor save. The save doesn't block 100% of the damage but only a portion of the damage based on the type of armor (1/3 for leather 1/2 for chain and 2/3s for plate). To see how this compares to all-or-nothing save, I converted the AiF numbers to a straight save percentage. For example, in AiF plate armor blocks 2/3s of the damage 90% of the time which works out to blocking all damage 60% of the time (keeping the same average per round).
Leather: 18.3%
Chainmail: 30%
Full Plate: 60%
A few years ago, I calculated the save percentages from OD&D's alternate combat system by looking at the hits deflected by a higher AC. (how many AC9 "hits" are converted to "misses" based on a higher AC). Those numbers were:
Leather (AC7): 18%
Chainmail: 35%
Plate: 55%
As you can see, both sets of numbers are within 5% of each other. That surprised me.
Converting the AiF numbers to a d20 roll-high save gives the saves as:
Leather: 17+
Chain: 15+
Plate: 9+
Converted to a simple d6 roll:
Leather: 6
Chain: 5-6
Plate: 4-6
I'm not sure what to do about helmets. The AiF rule gives helmets a 10% save but it's not clear if that is rolled separately, if it is added to the other percentage, or if that roll is for having a helmet only and helmets are assumed into part of the other suits.
Re: Armor saves in AiF compared to OD&D - Yaztromo - 07-06-2014
What a good contribution to the discussion!
That calculation surprises me as well.
Re: Armor saves in AiF compared to OD&D - Semi-Retired Gamer - 07-08-2014
hock: The similarity between the two sets of numbers caught me off guard! hock: Seriously, this is worth taking note of and pursuing.
Re: Armor saves in AiF compared to OD&D - Havard - 07-09-2014
Interesting!
How do you feel about turning the AiF system into an all or nothing save?
-Havard
Re: Armor saves in AiF compared to OD&D - hedgehobbit - 07-09-2014
Havard Wrote:How do you feel about turning the AiF system into an all or nothing save?I like all-or-nothing saves and use them in my D&D game. However, AiF's partial damage saves aren't all that bad IF you stick to d6 damage.
Plate users take 1/3 damage so treat the d6 roll as a d2 (1-3=1, 4-6=2). Chain users take 1/2 damage so treat the d6 roll as a d3. Leather is the odd one and there are a couple ways to do it. I'd do it as 1, 1, 2, 3, 3, 4.