I think you see what I'm saying, but I still think you underestimate it.dode74 wrote:I see where you're coming from, but MB never doubles your cas chance (10+ to 9+ is from 6/36 to 10/36), it adds 2/3 to it. Looking at skill interaction across multiple dice rolls (block then armour then injury) will always be multiplicative though, so your point is fair but I think if you start looking that deeply into it you're actually looking at a whole game (e.g. sure feet gives a GFI RR which puts you in place for a short instead of long pass with a pass RR which allows a catcher to make a catch RR etc etc)!
First, MB doubles your Cas%, yes. Better, actually. It only adds 2/3 to the chance of a Cas on the injury roll, but it can be used on the AV roll, too, and the difference is always at least 1/3 of the original injury chance if AV ≥ 7. Halflings, it's a little less than double.
Watch: 1296 permutations on AV + injury dice (assuming no PO).
Vs AV9, no MB: 6 perms to break x 6 perms to Cas = 36 perms.
Vs AV9, MB: (6 perms to break w/o MB x 10 perms to Cas) + (4 perms to break w/ MB x 6 perms to Cas) = 84 perms.
Vs AV8, no MB: 10 x 6 = 60 perms.
Vs AV8, MB: (10 x 10) + (5 x 6) = 130 perms.
Vs AV7, no MB: 15 x 6 = 90 perms.
Vs AV7, MB: (15 x 10) + (6 x 6) = 186 perms.
Second, the multiplicative effect of stacked skills is bigger than it looks. Let's say you've got a 2d block against an AV8 Dodge piece. Without any skills, your chance of getting a Casualty on the block/AV/injury roll, without turning over, is 11/36 (to pow) x 10/36 (to break AV) x 6/36 (to Cas), or 660/46,656. I'll try to keep everything else in the same terms, so you can compare the skills to 660. It should only be tricky with Piling On, so I'll omit Piling on for the time being (that's a big omission, and will cause everything to jump again). I'm assuming no TRR; it wouldn't have a big effect anyway.
Unskilled: 660
Block or Tackle: 1200
Mighty Blow: 1430
Claw: 990
Block + Tackle + Mighty Blow + Claw: 5,022
So if you hit four AV8 Dodge players 2d, one each with each of those skills, 46,656 times, you'll get about 4,820 Casualties. If you hit those same guys the same number of times, with three rookies and one guy with the whole stack, it's about 7,002 Casualties. Same skill investment.
Full disclosure: I used a defender with AV>7, Dodge, and no Block, in order to provide a deep skill stack without having to work out Piling On math, which involves coaching decisions (when to use) and more permutations (6^10 = too many digits). Still, the killer stack goes 4 deep for most players, and the multiplicative effect of Piling On is at least as dramatic as any of the skills I did use. I also didn't consider the benefit of friendly Guard if/when it turns your 1d to 2d....