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Old 04-21-2011, 02:45 PM   #6
PK
 
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Join Date: Aug 2004
Location: Dobbstown Sane Asylum
Default Re: [Basic] Mid-ranges for Area Effect?

Yes, RAW is that you charge for the next level.

Having said that, the precedent in GURPS is that when you have an base-2 exponential ability (that is, having level X gives you 2^X effectiveness), any "half levels" multiply your total by 1.5.

In other words, if "three levels of Area Effect" (+150%) gives you an 8-yard radius, then "three and a half levels of Area Effect' (+175%) would give you a 12-yard radius. So I'd use something like this:

+25% = 1 yard
+50% = 2 yards
+75% = 3 yards
+100% = 4 yards
+125% = 6 yards
+150% = 8 yards
+175% = 12 yards
+200% = 16 yards
+225% = 24 yards
+250% = 32 yards

...and so on, with every +50% doubling the radius, cumulatively.
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