New answers tagged ars-magica-5
It was the intention of the authors to leave space open for PC's to write a book so good it became the preferred primer (and getting the word out about your book would be a good hook to hang stories on). To do this they choose to leave the arts that have been covered undefined. I'm fairly certain that this was written on the official message board someplace ...
This problem needs to be looked at from a magical and non-magical standpoint. Let's look at the easier one first. For non-magical investigations, the ability scores of both GUMSHOE and Ars Magica are comparable (although the latter tend to be higher). You could simply say that all abilities are Investigative. So that if a PC has a relevant skill, core clues ...
This link lists the Roots and Pillars of the Arts. I do not know if this is formatted for 5th edition, however.
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