Drill
Upgrade the combat capability of the troops through daily training. Drill is a necessary evil in the life of any soldier.
Guise
Upgrade 2% of the scout/anti-scout ability per level.
Weapon
Hire more masters to forge high quality weapons, so as to increase attack ability.
Combat Skills
Upgrade 2% of infantry attack ability per level.
Armor
Upgrade 2% of infantry defence ability per level.
March
Upgrade 7% of infantry(including transport soldiers) speed per level.
Charge
Upgrade 2% of cavalry attack ability per level.
Horse Tack
Upgrade 2% of cavalry defence ability per level.
Equitation
Upgrade 7% of cavalry speed per level(including transporters).
Beast Training
Skill of taming beasts and taking advantage of them in battle and transportation.
Leadership
Give out surplus crop to the refugees, so as to increase your reputation, and more heroes would be willing to present homage to you.
Gunpowder
Develop and utilize gunpowder.
Motivation
Enhance rewards and punishment system to upgrade troop morale.
Teamwork
Teamwork level determines the troops battling effect directly.
Throwing
This is the basic skill used in shooting firing arrows and stones.
Accuracy
Upgrade attacking accuracy of siege weaponry.
Traction
By developing and improving tranction technology, the speed of siege weaponry can be upgraded greatly.
Acquisition
Upgrade research speed of Academy, 18% for the first level, 2.5% for subsequent each upgrade.
Mystery
Top-secreted machinery technology passed from ancient times.
