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General Tabletop Discussion
D&D Older Editions, OSR, & D&D Variants
The math behind power attack and why it needs to be redone in 4e
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<blockquote data-quote="Alaxk Knight of Galt" data-source="post: 3906688" data-attributes="member: 4129"><p>Najo, your numbers look correct for -1 to hit gives +1 to damage. However, please consider the -1 to hit +2 to damage numbers</p><p></p><p>First Example</p><p>+hit hit % Ave Hit Damage per Round</p><p>15 50% 4.5+3 3.75</p><p>14 45% 4.5+5 4.275</p><p>13 40% 4.5+7 4.6</p><p><strong>12 35% 4.5+9 4.725</strong></p><p>11 30% 4.5+11 4.65</p><p>10 25% 4.5+13 4.375</p><p>9 20% 4.5+15 3.9</p><p>8 15% 4.5+17 3.225</p><p>7 10% 4.5+19 2.35</p><p></p><p>A gain of .975 Damage per Round (or DPR if you will). Not great, but better then nothing.</p><p></p><p>Second Example</p><p>+hit hit % Ave Hit Damage per Round</p><p>15 95% 4.5+3 7.125</p><p>14 90% 4.5+5 8.55</p><p>13 85% 4.5+7 9.775</p><p>12 80% 4.5+9 10.8</p><p>11 75% 4.5+11 11.625</p><p>10 70% 4.5+13 12.25</p><p>9 65% 4.5+15 12.675</p><p>8 60% 4.5+17 12.9</p><p><strong>7 55% 4.5+19 12.925</strong></p><p>6 50% 4.5+21 12.75</p><p></p><p>A gain of 5.8 DPR.</p><p></p><p>Obviously, neither of these take into account a 2nd (or third) attack. I like math, but not that much <img src="https://cdn.jsdelivr.net/joypixels/assets/8.0/png/unicode/64/1f60e.png" class="smilie smilie--emoji" loading="lazy" width="64" height="64" alt=":cool:" title="Cool :cool:" data-smilie="6"data-shortname=":cool:" /></p><p></p><p>Edit: Obviously, I do like math that much.</p><p>For a 2nd hit, just knock off 25% to hit on your selected hit percentage.</p><p></p><p></p><p>For the first example</p><p>Non-Powered attack</p><p>1st hit - <strong>50%</strong> hit chance with <strong>4.5+3</strong>: <strong>3.75</strong> average damage</p><p>2nd hit - <strong>25%</strong> hit chance with <strong>4.5+3</strong>: <strong>.9375</strong> average damage</p><p>Total DPR: <strong>4.6875</strong></p><p><strong></strong></p><p>Power Attack</p><p>1st hit - <strong>35%</strong> hit chance with <strong>4.5+9</strong>: <strong>4.725</strong> average damage</p><p>2nd hit - <strong>10%</strong> hit chance with <strong>4.5+9</strong>: <strong>1.35</strong> average damage</p><p>Total DPR: <strong>6.075</strong></p><p></p><p>Second Example</p><p>Non-Power Attack</p><p>1st hit - <strong>95%</strong> hit chance with <strong>4.5+3</strong>: <strong>7.125</strong> average damage</p><p>2nd hit - <strong>70%</strong> hit chance with <strong>4.5+3</strong>: <strong>5.25</strong> average damage</p><p>Total DPR: <strong>12.375</strong></p><p></p><p>Power Attack</p><p>1st hit - <strong>55%</strong> hit chance with <strong>4.5+19</strong>: <strong>12.925</strong> average damage</p><p>2nd hit - <strong>30%</strong> hit chance with <strong>4.5+19</strong>: <strong>7.05</strong> average damage</p><p>Total DPR: <strong>19.975</strong></p><p></p><p>-------------------------------</p><p>I really hope my ability to do basic math is correct today <img src="https://cdn.jsdelivr.net/joypixels/assets/8.0/png/unicode/64/1f600.png" class="smilie smilie--emoji" loading="lazy" width="64" height="64" alt=":D" title="Big grin :D" data-smilie="8"data-shortname=":D" /></p></blockquote><p></p>
[QUOTE="Alaxk Knight of Galt, post: 3906688, member: 4129"] Najo, your numbers look correct for -1 to hit gives +1 to damage. However, please consider the -1 to hit +2 to damage numbers First Example +hit hit % Ave Hit Damage per Round 15 50% 4.5+3 3.75 14 45% 4.5+5 4.275 13 40% 4.5+7 4.6 [B]12 35% 4.5+9 4.725[/B] 11 30% 4.5+11 4.65 10 25% 4.5+13 4.375 9 20% 4.5+15 3.9 8 15% 4.5+17 3.225 7 10% 4.5+19 2.35 A gain of .975 Damage per Round (or DPR if you will). Not great, but better then nothing. Second Example +hit hit % Ave Hit Damage per Round 15 95% 4.5+3 7.125 14 90% 4.5+5 8.55 13 85% 4.5+7 9.775 12 80% 4.5+9 10.8 11 75% 4.5+11 11.625 10 70% 4.5+13 12.25 9 65% 4.5+15 12.675 8 60% 4.5+17 12.9 [B]7 55% 4.5+19 12.925[/B] 6 50% 4.5+21 12.75 A gain of 5.8 DPR. Obviously, neither of these take into account a 2nd (or third) attack. I like math, but not that much :cool: Edit: Obviously, I do like math that much. For a 2nd hit, just knock off 25% to hit on your selected hit percentage. For the first example Non-Powered attack 1st hit - [B]50%[/B] hit chance with [B]4.5+3[/B]: [B]3.75[/B] average damage 2nd hit - [B]25%[/B] hit chance with [B]4.5+3[/B]: [B].9375[/B] average damage Total DPR: [B]4.6875 [/B] Power Attack 1st hit - [B]35%[/B] hit chance with [B]4.5+9[/B]: [B]4.725[/B] average damage 2nd hit - [B]10%[/B] hit chance with [B]4.5+9[/B]: [B]1.35[/B] average damage Total DPR: [B]6.075[/B] Second Example Non-Power Attack 1st hit - [B]95%[/B] hit chance with [B]4.5+3[/B]: [B]7.125[/B] average damage 2nd hit - [B]70%[/B] hit chance with [B]4.5+3[/B]: [B]5.25[/B] average damage Total DPR: [B]12.375[/B] Power Attack 1st hit - [B]55%[/B] hit chance with [B]4.5+19[/B]: [B]12.925[/B] average damage 2nd hit - [B]30%[/B] hit chance with [B]4.5+19[/B]: [B]7.05[/B] average damage Total DPR: [B]19.975[/B] ------------------------------- I really hope my ability to do basic math is correct today :D [/QUOTE]
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The math behind power attack and why it needs to be redone in 4e
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