Main / THAC0
THAC0
THAC0 is an acronym for 'To Hit Armor Class Zero' and is the basic chance of a character to hit their opponent in combat.
A character's THAC0 goes up with their level or for monsters their hit dice and does not need training.
| Level | Priest | Rogue | Warrior | Mage |
| 1 | 20 | 20 | 20 | 20 |
| 2 | 20 | 20 | 19 | 20 |
| 3 | 20 | 19 | 18 | 20 |
| 4 | 18 | 19 | 17 | 19 |
| 5 | 18 | 18 | 16 | 19 |
| 6 | 18 | 18 | 15 | 19 |
| 7 | 16 | 17 | 14 | 18 |
| 8 | 16 | 17 | 13 | 18 |
| 9 | 16 | 16 | 12 | 18 |
| 10 | 14 | 16 | 11 | 17 |
| 11 | 14 | 15 | 10 | 17 |
| 12 | 14 | 15 | 9 | 17 |
| 13 | 12 | 14 | 8 | 16 |
| 14 | 12 | 14 | 7 | 16 |
| 15 | 12 | 13 | 6 | 16 |
| 16 | 10 | 13 | 5 | 15 |
| 17 | 10 | 12 | 4 | 15 |
| 18 | 10 | 12 | 3 | 15 |
| 19 | 8 | 11 | 2 | 14 |
| 20 | 8 | 11 | 1 | 14 |
