otrinca known in the real world as geurrilla warfare. Metamor seems to be undrgoing a constant low level conflict with the lutins to the north.
One very knowledgable person is george.
Cavalry is the dominant force in warfare in this era. Knights (wearing full armor whether chainmail or plate mail armor) carrying lances and riding in tightly packed formations are almost unstopable when handled right. Infantry - especially the poorly organized and equipped feudal militia most often used stood little chance of stopping them.
The cavalry were trained to move in very tightly packed formations to maximize the power and weight of their numbers. It's said that they were so tightly packed together that an orange tossed into their midst wouldn't never hit the ground. Very formidable and almost unstoppable on the battlefield.
The only way for infantry to defeat cavalry like that is with weapons like the pike and halberd (developed just for that purpose) or very careful use of terrain. Luring the knights into attacking across marshy ground or up a steep hill could slow down or even stop a cavalry charge.
Most infantry used are levies of peasants serving out their feudal service. They are usually poorly armed and even worse trained. To most noble they are simply an annoyance as they get in the way of them charging and fighting other nobles. In the real world at the battle of Crecy the French rode down their own crossbowmen in their eagerness to attack the English.
Infantry are at a distinct disadvantage. Cavalry can usually overrun them unless the infantry are well placed and handled. Infantrie's advantages lie in close terrain like woods, swamps or castles and towns.
The introduction of the pike and halberd goes a long way to redressing the balance giving the common foot soldier a fighting chance. When partnered with archers using powerful bows like the long bow it makes a very powerful army.
Light infantry are skirmishers and are usually under rated. They are almost universally drawn from the poor and peasant stock and are looked down upon by the nobles. Lightly armed and generally wearing no armor they come into their own in rough terrain like woods and swamps. Several knightly armies were defeated when they were goaded into attacking an infantry army that was standing behind swampy ground. The knights charged into the marshy ground and got bogged down and were easy pickings for the more nimble infantry.
Not being of 'Noble' birth means that knights rarely show infantry (especially light infantry) the same chivalrous mercy they extend to each other. This means that battles between such nobles and infantry are usually to the death with no mercy shown by either side.
They are also excellent at otrinca - a form of warfare cavalry and the knights never are good at.
Two other areas where foot soldiers have the advantage is in fortifications (like castles) and urban areas (like towns and cities). A knight cannot charge UP a wall on a horse.
The twisting and narrow streets of most towns and cities keep them from massing together and moving faster then a walk. That is why many cities HAVE such narrow streets. Foot soldiers can easily throw up barricades across the streets blocking the horses from moving forward. Then they can climb up to the roof of the buildings and throw all manner of debris down on the riders.
Arrogant or narrowminded noblemen look down on infantry. Seeing them as simply peasants to be used up. Smart ones learn to use the humble foot soldiers to their best advantage.
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