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@ActionEconomy @threadreaderapp Call of Cthulhu has you potentially advance in every skill you successfully used in the session.
@ActionEconomy @threadreaderapp At the end of the session, you roll a skill check against every skill you used successfully, and gain 1d10% on failure.
@ActionEconomy @threadreaderapp So you'll advance in 1 in 4 sessions where you try using a skill you're at 50% on, but only in 1 in 10 if you're at 90%.
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