Difference between revisions of "THAC0"
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− | An acronym for | + | An acronym for [[Roll to Hit|'''T'''o '''H'''it]] [['''A'''rmour '''C'''lass]] zero with the number "0" used as the final letter. The number required to hit a zero armour class (AC) on a d20 is used to count backwards as the number for AC increases. For example, a combatant needing a 17 to hit AC 0 would need a 16 to hit AC 1, a 15 to hit AC 2, a 14 to hit AC 3 and so on. The number to hit equals the target's THAC0 minus the target's AC. |
The table reflects the lack of [[Weapons List|weapons]] training that some classes have over others, even compared to monsters (who have no training unless they're also levelled). With humanoid monsters that have experience levels, use the number that is best between their hit die and level. | The table reflects the lack of [[Weapons List|weapons]] training that some classes have over others, even compared to monsters (who have no training unless they're also levelled). With humanoid monsters that have experience levels, use the number that is best between their hit die and level. |
Revision as of 21:39, 6 November 2020
Attacker | 1st | 2nd | 3rd | 4th | 5th | 6th | 7th | 8th | 9th | 10th | 11th | 12th | 13th | 14th | 15th | 16th+ |
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
Assassin | 20 | 19 | 19 | 18 | 17 | 16 | 15 | 15 | 14 | 13 | 12 | 11 | 11 | 10 | 10 | — |
Bard | 21 | 20 | 20 | 20 | 19 | 18 | 18 | 17 | 17 | 16 | 16 | 15 | 15 | 14 | 14 | 13 |
Cleric | 20 | 20 | 19 | 18 | 18 | 17 | 16 | 16 | 15 | 14 | 14 | 13 | 12 | 12 | 11 | 11 |
Druid | 20 | 20 | 19 | 19 | 18 | 18 | 17 | 16 | 16 | 15 | 14 | 14 | 13 | 13 | 12 | 12 |
Fighter, Paladin or Ranger |
20 | 19 | 18 | 17 | 16 | 15 | 14 | 13 | 12 | 12 | 11 | 10 | 10 | 9 | 8 | 8 |
Illusionist or Mage |
21 | 21 | 20 | 20 | 20 | 19 | 19 | 18 | 18 | 17 | 17 | 16 | 16 | 15 | 15 | 14 |
Monk | 20 | 19 | 19 | 18 | 17 | 17 | 16 | 15 | 14 | 13 | 12 | 12 | 11 | 10 | 10 | 9 |
Thief | 21 | 21 | 20 | 20 | 19 | 19 | 18 | 18 | 17 | 16 | 16 | 15 | 14 | 14 | 13 | 13 |
Commoner | 21 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Monster or Combat-trained |
20 | 20 | 19 | 18 | 18 | 17 | 17 | 16 | 15 | 15 | 14 | 14 | 13 | 12 | 12 | 11 |
An acronym for To Hit '''A'''rmour '''C'''lass zero with the number "0" used as the final letter. The number required to hit a zero armour class (AC) on a d20 is used to count backwards as the number for AC increases. For example, a combatant needing a 17 to hit AC 0 would need a 16 to hit AC 1, a 15 to hit AC 2, a 14 to hit AC 3 and so on. The number to hit equals the target's THAC0 minus the target's AC.
The table reflects the lack of weapons training that some classes have over others, even compared to monsters (who have no training unless they're also levelled). With humanoid monsters that have experience levels, use the number that is best between their hit die and level.
See Also,
Attacking in Combat
Combat