Compare → Strike 2d6+5 @ AC15 +9 attacks 2

2d6+5 @ AC15 +9 attacks 2

Damage distribution for 2d6+5 @ AC15 +9 attacks 2. Edit the expression or drag the HP slider — the URL updates as you go, so the page is always shareable. expression syntax →

Strike

Roll 1 twenty-sided die. Add +9. Compared against AC 15: you hit if the kept d20 face plus the bonus totals 15 or more (so the d20 needs to land on at least 6). A natural 20 always crits, regardless of AC. On a hit, deal 2 6-sided dice, plus 5. On a crit, double the damage dice (the 2d6+5 becomes 4d6+5); flat modifiers stay the same., plus Roll 1 twenty-sided die. Add +9. Compared against AC 15: you hit if the kept d20 face plus the bonus totals 15 or more (so the d20 needs to land on at least 6). A natural 20 always crits, regardless of AC. On a hit, deal 2 6-sided dice, plus 5. On a crit, double the damage dice (the 2d6+5 becomes 4d6+5); flat modifiers stay the same.

min 0 max 58 mean 18.70 187/10
P(finish at 29 HP) = 10.05%
  • 0 6.25%
  • 1 0.00%
  • 2 0.00%
  • 3 0.00%
  • 4 0.00%
  • 5 0.00%
  • 6 0.00%
  • 7 0.97%
  • 8 1.94%
  • 9 2.92%
  • 10 3.90%
  • 11 4.88%
  • 12 5.87%
  • 13 4.93%
  • 14 4.03%
  • 15 3.22%
  • 16 2.52%
  • 17 1.97%
  • 18 1.60%
  • 19 2.41%
  • 20 3.31%
  • 21 4.21%
  • 22 5.00%
  • 23 5.56%
  • 24 5.80%
  • 25 5.61%
  • 26 5.10%
  • 27 4.38%
  • 28 3.55%
  • 29 2.71%
  • 30 1.96%
  • 31 1.41%
  • 32 1.02%
  • 33 0.75%
  • 34 0.57%
  • 35 0.45%
  • 36 0.36%
  • 37 0.27%
  • 38 0.19%
  • 39 0.13%
  • 40 0.09%
  • 41 0.05%
  • 42 0.03%
  • 43 0.02%
  • 44 0.01%
  • 45 0.01%
  • 46 0.01%
  • 47 0.00%
  • 48 0.00%
  • 49 0.00%
  • 50 0.00%
  • 51 0.00%
  • 52 0.00%
  • 53 0.00%
  • 54 0.00%
  • 55 0.00%
  • 56 0.00%
  • 57 0.00%
  • 58 0.00%
Strikes to kill 29 HP expected: 2.18
  • ≤ 1 10.05%
  • ≤ 2 76.36%
  • ≤ 3 96.44%
  • ≤ 4 99.58%

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Why some expressions kill faster than others with the same mean is the kind of thing the concepts pillars work out — start with variance and kill probability if this strike's distribution looks surprising.