| Wall Type
|
Attack Form
| Hard Stone
| Soft Stone
| Earth
| Thin Wood
| Thick Wood
|
Ballista
| 2
| 3
| 4
| 10
| 5
|
Giant fist
| 3
| 4
| 7
| 16
| 9
|
Small catapult
| 4
| 8
| 5
| 17
| 9
|
Ram
| 5
| 9
| 3
| 20
| 17
|
Screw or drill
| 12
| 15
| 16
| 20
| 12
|
Large catapult
| 8
| 11
| 10
| 20
| 13
|