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Message: <blockquote data-quote="JohnSnow" data-source="post: 9865676" data-attributes="member: 32164">I’m not questioning your math, but the difference is that on a d20, the chance for a crit remains 5% whatever the target number is.By contrast, the chance for doubles on 3d6 is ~7.4%/number. The chance of getting double 4s, 5s, or 6s is about 22%.Let’s say a character has a total check bonus of +5, so any of those rolls is 14+. A double 3 will give 9+ 2/3 of the time (~5%). Double 2s will yield 9+ 1/3 of the time (~2.5%). That means the chance of critting if your dice roll needs to be a 9+ is ~30%.That’s the THING with dice pools: they make bonuses matter a LOT.It’s worth noting that the chances of rolling 16+ on the dice is 4.63% - around the same chance as a Nat 20.There’s a much easier solution if you want to make crits more common on 3d6: 16+ is a “critical hit.”If that’s too frequent, you can make it 17+ (~2%) or even 18 (~0.5%).</blockquote>