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Is there a good adaptation of Call of Cthulhu's Sanity rules to the Storytelling system of the new World of Darkness (possibly replacing Morality)?

(Edited the title to make it more precise.)

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Are you primarily looking for a substitute Morality where the triggers for Degeneration are tied to exposure to the unnatural? Or do you really want an alternate-hit-point track like BRPs Sanity Point system? –  Jadasc May 16 '11 at 10:05
I'd be interested in any available options but would prefer the first kind, I think. (Am considering adopting such a house rule, if there's a good one available.) –  OpaCitiZen May 16 '11 at 13:45

3 Answers 3

up vote 7 down vote accepted

The "Forbidden Lore" system from World of Darkness: Mirrors (p.28-32) is cognate to the Sanity system; characters garner Insanity points and lose rating in their Reason score. Along the way, they acquire Mental and Social penalties and gain bonuses to Occult endeavors — including the ability to use supernatural powers without gaining the associated template. The correspondences seem fairly close.

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To my mind, CoC Sanity rules are quite easy to use as is. For instance you can use the sum of the mental characteristics as a base and multiply by 5 or 6 (depending on how crazy your world is) to get the starting sanity and then use the typical CoC Sanity rules.

I think something like that may work.

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Personally I'd have a look at Unknown Armies mechanics, which to me look more nuanced (and I believe can be retooled for different game systems, too).

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+13 Oh yes, they are very good indeed. –  Sardathrion Oct 19 '11 at 17:48

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