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Increase number of defense cannons II, III, IV, V, VI, VII
| Location: |
Academy |
| Availability: |
Becomes available after building an Artillery Depot |
| Action: |
Having increased the number of defense cannons in a Tower, you achieve 20% better rate of fire; therefore this Tower
will fight back an enemy more effectively. You should increase number of defense cannons in each specific Tower to upgrade it. |
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