Skills:
Melee-increases up close combat skills.
Frontal-increases skills of spearman, cavalry.
Ranged-increases skill of ranged units.
Teamwork-increases skills for every unit, greatly increases skills of ballista, catapults, ice dragons, trebuchets.
Riding-increases riding skills of riders, turning speed, speed, so forth.
Taming-greatly increases skills wild animal riders, all animals but horses.
(More to be added)
