Watchtower
The Watchtower gives you an earlier alert (horn) for incoming attacks. It also gives a more accurate information on the attack's formation. Watchtower will only have an effect on the castle it is built in (not other castles or outposts)
| Level | Rubies cost | Extended vision field |
|---|---|---|
| 1 | 800 | 10% |
| 2 | 1,600 | 20% |
| 3 | 2,000 | 30% |
| 4 | 2,300 | 40% |
| 5 | 2,900 | 50% |
| 6 | 3,500 | 60% |
| 7 | 4,400 | 70% |
| 8 | 5,300 | 80% |
| 9 | 6,900 | 90% |
| 10 | 7,800 | 100% |
| Total | 37,500 |
