Description

Further increases the attack of siege units.

Upgrade table

Level Attack Costs Requirements Time
1 +0.5% Resource icon technology points.png ?
Resource icon alliance food.png ?
Resource icon alliance wood.png ?
Resource icon alliance stone.png ?
Alliance Skill V Level ?
2 +1.0% Resource icon technology points.png ?
Resource icon alliance food.png ?
Resource icon alliance wood.png ?
Resource icon alliance stone.png ?
-
3 +1.5% Resource icon technology points.png ?
Resource icon alliance food.png ?
Resource icon alliance wood.png ?
Resource icon alliance stone.png ?
-
4 +2.0% Resource icon technology points.png ?
Resource icon alliance food.png ?
Resource icon alliance wood.png ?
Resource icon alliance stone.png ?
-
5 +2.5% Resource icon technology points.png ?
Resource icon alliance food.png ?
Resource icon alliance wood.png ?
Resource icon alliance stone.png ?
-
6 +3.0% Resource icon technology points.png ?
Resource icon alliance food.png ?
Resource icon alliance wood.png ?
Resource icon alliance stone.png ?
-
7 +4.0% Resource icon technology points.png ?
Resource icon alliance food.png ?
Resource icon alliance wood.png ?
Resource icon alliance stone.png ?
-
8 +5.0% Resource icon technology points.png ?
Resource icon alliance food.png ?
Resource icon alliance wood.png ?
Resource icon alliance stone.png ?
-
9 +7.0% Resource icon technology points.png ?
Resource icon alliance food.png ?
Resource icon alliance wood.png ?
Resource icon alliance stone.png ?
-
10 +10.0% Resource icon technology points.png ?
Resource icon alliance food.png ?
Resource icon alliance wood.png ?
Resource icon alliance stone.png ?
-
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