Not sure if this is a bug or a feature.
1. Building a wall at a shoreline is futile; the enemy just wades around it.
2. Building walls in the Lion's Den, some odd things happened. First, I built a wall that didn't end with an arrow tower (not sure why). This was impossible to fix, and the enemy just squeezed through where the tower should have been. Second, I built a wall across a canyon about six units wide. When it was done, I couldn't add a gate. Third, we really need some sort of e