Compare → Strike 1d12+5 @ AC18 +11 adv

1d12+5 @ AC18 +11 adv

Damage distribution for 1d12+5 @ AC18 +11 adv. Edit the expression or drag the HP slider — the URL updates as you go, so the page is always shareable. expression syntax →

Strike

Roll 2 twenty-sided dice and keep the higher result (this is advantage — granted by Faerie Fire, Reckless Attack, Pack Tactics, hidden attackers, and a handful of other sources). Add +11. 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 7). A natural 20 always crits, regardless of AC. On a hit, deal 1 12-sided die, plus 5. On a crit, double the damage dice (the 1d12+5 becomes 2d12+5); flat modifiers stay the same.

min 0 max 29 mean 11.10 8879/800 ±5.28
P(finish at 14 HP) = 34.94% (559/1600)
  • 0 9.00%
  • 1 0.00%
  • 2 0.00%
  • 3 0.00%
  • 4 0.00%
  • 5 0.00%
  • 6 6.77%
  • 7 6.84%
  • 8 6.91%
  • 9 6.97%
  • 10 7.04%
  • 11 7.11%
  • 12 7.18%
  • 13 7.24%
  • 14 7.31%
  • 15 7.38%
  • 16 7.45%
  • 17 7.52%
  • 18 0.81%
  • 19 0.74%
  • 20 0.68%
  • 21 0.61%
  • 22 0.54%
  • 23 0.47%
  • 24 0.41%
  • 25 0.34%
  • 26 0.27%
  • 27 0.20%
  • 28 0.14%
  • 29 0.07%
Strikes to kill 14 HP expected: 1.79
  • ≤ 1 34.94%
  • ≤ 2 87.71%
  • ≤ 3 98.19%
  • ≤ 4 99.76%

Want to compare 1d12+5 @ AC18 +11 adv against another expression? ↦ Open the comparison tool — paste this in as one side and an alternative as the other.

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.