| Category | Ships |
| Type | naval attack and defense modifiers |
Ships have a base AC of 10. The following modifiers are used to determine the actual AC for naval combat.
| Defense | Adjustments |
|---|---|
| Rowboat Size Modifier | -4 |
| Non-row boat Ship Size Modifier | -8 |
| Hull Bonus | varies by hull type |
| Wind Effects | see pg. 87 DMG |
| Magical Modifiers | varies |
| Hardness | varies by ship type and modified by hull type |
| Hull Points | varies by ship type and modified by hull type |
The following table has attack modifiers for artillery, whale harpoons, and other large ship weapons.
| Attack | Adjustments |
|---|---|
| Range | -2 for each range increment after the first |
| Round Type | see round types |
| Round Damage | Artillery |
| Magical Modifiers | varies |