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Compare → Strike 2d6 @ AC18

2d6 @ AC18

Damage distribution for 2d6 @ AC18. 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 +0. Compared against AC 18: you hit if the kept d20 face plus the bonus totals 18 or more (so the d20 needs to land on at least 18). A natural 20 always crits, regardless of AC. On a hit, deal 2 6-sided dice. On a crit, double the damage dice (the 2d6 becomes 4d6); flat modifiers stay the same.

min 0 max 24 mean 1.40 7/5 ±3.73
P(finish at 12 HP) = 4.08% (529/12960)
  • 0 85.00%
  • 1 0.00%
  • 2 0.28%
  • 3 0.56%
  • 4 0.84%
  • 5 1.13%
  • 6 1.43%
  • 7 1.74%
  • 8 1.52%
  • 9 1.33%
  • 10 1.14%
  • 11 0.96%
  • 12 0.76%
  • 13 0.54%
  • 14 0.56%
  • 15 0.54%
  • 16 0.48%
  • 17 0.40%
  • 18 0.31%
  • 19 0.22%
  • 20 0.14%
  • 21 0.08%
  • 22 0.04%
  • 23 0.02%
  • 24 0.00%
Strikes to kill 12 HP expected: 12.25
  • ≤ 1 4.08%
  • ≤ 2 8.94%
  • ≤ 3 14.29%
  • ≤ 4 19.90%
  • ≤ 5 25.60%
  • ≤ 6 31.26%
  • ≤ 7 36.78%
  • ≤ 8 42.09%
  • ≤ 9 47.16%
  • ≤ 10 51.93%
  • ≤ 11 56.40%
  • ≤ 12 60.56%
  • ≤ 13 64.41%
  • ≤ 14 67.96%
  • ≤ 15 71.21%
  • ≤ 16 74.17%
  • ≤ 17 76.88%
  • ≤ 18 79.33%
  • ≤ 19 81.55%
  • ≤ 20 83.55%
  • ≤ 21 85.36%
  • ≤ 22 86.98%
  • ≤ 23 88.44%
  • ≤ 24 89.75%
  • ≤ 25 90.91%
  • ≤ 26 91.96%
  • ≤ 27 92.88%
  • ≤ 28 93.71%
  • ≤ 29 94.45%
  • ≤ 30 95.10%
  • ≤ 31 95.68%
  • ≤ 32 96.19%
  • ≤ 33 96.65%
  • ≤ 34 97.05%
  • ≤ 35 97.41%
  • ≤ 36 97.72%
  • ≤ 37 98.00%
  • ≤ 38 98.24%
  • ≤ 39 98.46%
  • ≤ 40 98.65%
  • ≤ 41 98.82%
  • ≤ 42 98.96%
  • ≤ 43 99.09%
  • ≤ 44 99.21%
  • ≤ 45 99.30%
  • ≤ 46 99.39%
  • ≤ 47 99.47%
  • ≤ 48 99.54%

Truncated at 50 strikes — expected is a lower bound.