To Increase Power Attack there is some building to be Upgraded :
Step 1 : Upgrade Barrack
Upgrade Barrack will Increase Marching Capacity
Step 2 : Complite All Evo Attack
Complite and Select Evolution Attack
Step 1 : Upgrade Barrack
Upgrade Barrack will Increase Marching Capacity
Step 2 : Complite All Evo Attack
Complite and Select Evolution Attack