Evony Hero Excalibur

In Evony online game , excalibur is an item that you can award your hero. It increases the hero's attack by 25% for upto 7 days. After 7 days it will go away automatically.

How to use Excalibur
it's an item that you have to award your hero. To use it go to your feasting hall and select the best attack hero there and click "view" on that hero. In the new window select "Excalibur" in the dropdown window and then click the reward button.You should award it to the existing best attack hero as it's a percentage increase. So a more high attack hero will have more higher increase in attack.

Benefits of Excalibur
A high attack hero can decrease the troops production time in the barracks if you make him the mayor while producing the troops. A high attack hero also wins difficult fight against stronger enemy with minimum troop loss.