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Compare → Strike 1d10 save +0 DC15 zero

1d10 save +0 DC15 zero

Damage distribution for 1d10 save +0 DC15 zero. Edit the expression or drag the HP slider — the URL updates as you go, so the page is always shareable. expression syntax →

Strike

The target rolls a saving throw: roll 1 twenty-sided die and add +0 (the target's relevant save bonus, e.g. DEX for Fireball). Compared against DC 15: a total of 15 or more succeeds (so the d20 needs to land on at least 15). Damage rolled is 1 10-sided die. On a fail, the target takes the full damage; on a success, they take nothing (this is the 'save-or-suck' pattern — binary, no half-damage hedge).

min 0 max 10 mean 3.85 77/20 ±3.48
P(finish at 5 HP) = 42.00% (21/50)
  • 0 30.00%
  • 1 7.00%
  • 2 7.00%
  • 3 7.00%
  • 4 7.00%
  • 5 7.00%
  • 6 7.00%
  • 7 7.00%
  • 8 7.00%
  • 9 7.00%
  • 10 7.00%
Strikes to kill 5 HP expected: 2.09
  • ≤ 1 42.00%
  • ≤ 2 71.26%
  • ≤ 3 86.96%
  • ≤ 4 94.41%
  • ≤ 5 97.70%
  • ≤ 6 99.08%
  • ≤ 7 99.64%

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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.