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<blockquote data-quote="Dethklok" data-source="post: 6151107" data-attributes="member: 6746469">I was going to say &quot;Not much need to do that,&quot; but maybe you're not as steeped in statistical theory as I am. The long and the short of it is that:Every increase in die size shifts the average by +1 (and increases the variance by a commensurate amount).From your standpoint, swapping a d6 out for a single d4 will tend to reduce the damage, while introducing a single d8 will tend to increase the hit roll. Shifting them all at once will change attack and damage together.In any system where armor is subtracted from damage dealt, changing the die rolled is a great way of altering penetration - a d4 dagger will deal almost as much damage as a d6 sword, but it will *never* penetrate an armor of 4, while the d6 sword will penetrate on a roll of 5 or higher and deal an average of 1.5 damage. (Although personally, if your smallest damage die is a d4, I'd recommend your best armor only subtract 3 points of damage - penetrating only to deal 1 damage is virtually the same as not penetrating at all.)</blockquote>

[QUOTE="Dethklok, post: 6151107, member: 6746469"] I was going to say "Not much need to do that," but maybe you're not as steeped in statistical theory as I am. The long and the short of it is that: Every increase in die size shifts the average by +1 (and increases the variance by a commensurate amount). From your standpoint, swapping a d6 out for a single d4 will tend to reduce the damage, while introducing a single d8 will tend to increase the hit roll. Shifting them all at once will change attack and damage together. In any system where armor is subtracted from damage dealt, changing the die rolled is a great way of altering penetration - a d4 dagger will deal almost as much damage as a d6 sword, but it will *never* penetrate an armor of 4, while the d6 sword will penetrate on a roll of 5 or higher and deal an average of 1.5 damage. (Although personally, if your smallest damage die is a d4, I'd recommend your best armor only subtract 3 points of damage - penetrating only to deal 1 damage is virtually the same as not penetrating at all.) [/QUOTE]

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