By building a wall you can protect your village against the barbarian hordes of your enemies. A higher level wall will give your troops a higher defensive bonus.
Teutonic Earthen Wall
The earth wall can only be built by Teutons and gives low defence bonuses but is extremely hard to destroy.
Gaulic Palisade
The Palisade can only be built by Gauls and is average in both the given defence bonus and amount of rams needed to destroy it.
Roman City Wall
The city wall can only be built by Romans and gives the highest defence bonus but is extremely easy to destroy.
Egyptian Stone Wall
The Stone Wall can only be built by Egyptians, its defence bonus is like the Gaulish Palisade, but it's much more durable.
Hun Makeshift Wall
The Makeshift Wall can only be built by Huns, its defence bonus is worse than the Teutonic Earth Wall and its durability is comparable with the Roman City Wall.
Spartan Defensive Wall
The Defensive Wall can only be built by Spartans. Its defense bonus is like Teutonic Earth Wall and its durability is comparable with Gaulic Palisade.
Viking Barricade
The Barricade can only be built by Vikings. Its defense bonus is small like Hun's Makeshift Wall and its durability is between Gaulish Palisade and Egyptian Stone Wall, sitting in the middle of all tribes fortifications.
Rams
The Ram is a heavy support weapon for your infantry and cavalry. Its task is to destroy enemy walls and therefore increase your troops’ chances of overcoming the enemy's fortifications.
When there's no defence, rams destroy walls almost as well as catapults destroy buildings. All fortifications give a small number of defensive points per level. However, if there is a defensive army present, it gains a defensive bonus that is much more important. Another important attribute of fortifications is their durability - the higher it is, the more difficult it is for rams to destroy the walls.
| Name | Base | Durability | Defensive Bonus |
| Teutonic Earth Wall | 6 defensive points per level | 5 | 2% per level |
| Gaulic Palisade | 8 defensive points per level | 2 | 2.5% per level |
| Roman City Wall | 10 defensive points per level | 1 | 3% per level |
| Egyptian Stone Wall | 8 defensive points per level | 4 | 2.5% per level |
| Hun Makeshift Wall | 6 defensive points per level | 1 | 1.5% per level |
| Spartan Defensive Wall | 10 defensive points per level | 2 | 2% per level |
| Viking Barricade | 6 defensive points per level | 3 | 1.5% per level |
Note that the defensive bonus for each next level is multipying the previous level bonus, so it gets slightly higher the higher the level. For example Roman Wall on level 1 provides 3% bonus, but on level 10 it provides around 34.4% bonus (1.03^10), instead of flat 30%.
The destruction capability of rams is affected by upgrade level, the same as catapults.