Well technically 2/3's of a hit from 4 doubling MM is closer to half a hit than one

So what do you wish to go forward with? I've used the 1x30cm shot, MM, AC, FF4+(MW) version in 4 battles now and its so so. Doesn't make the same impact the 2x15cm, MM, AC did, I think because it does actively try to get in 15cm as much as possible.

I find 2x30cm hard to accept given the stupid 40k stats and how stuff translates to Epic, though maybe the marines in Epic have learnt to use it better?

Something else to consider is the prometheus, doubling the beast gives 1 1/3 AP hits, advancing 2 hits. The 2x30cm redeemer has the same range yet hits on a double at 1 1/3 with no mods for cover, and 1 5/6's when advancing with AT capability. Should it have comparable firepower at the same range as 8 heavy bolters on the Promethius?

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