The best way to deal with this would be to do a little Internet research concerning
Originally Posted by Rob
the toxicity of various real world poisons in order to get a feel what plausible toxici-
ties / potencies would be like. A short cut is the fact that a poison's toxicity can be
expressed as the percentage of persons who are killed by the poison, or suffer the
poison's maximum effect if the poison is not a lethal one. So if you define the poten-
cy of your poison as the number of people of an average Constitution which are da-
maged or killed by the poison, you can compare that desired strength of your poison
with the Resistance Table on page 171 of the BRP book. For example, a poison that
is intended to damage or kill 75 % of all persons with an average Constitution of 11
needs a Potency of 16, a poison that is designed to hurt 40 % of all heroes with a
Constitution of 15 needs a Potency of 13, and so on.
"Mind like parachute, function only when open."