Kingdom Creation

There are three main political bodies that can exist as indipendent entities:
 * Petty Kingdoms (Duchies)
 * Kingdoms
 * Empires

The first two can also be a part of other entities, while an empire can't be subordinated to another empire.

Petty Kingdom
A petty kingdom is the result of a player owning a duchy and being indipendent, while there are in game items, npcs and/or structures that are free to be taken in that duchy (E.g.: one of the many fiefs of gondor can become a petty kingdom, if indipendent).

Petty kingdoms can be the first step in order to create a kindom, while there are no players for that faction, but can also keep their indipendence, if they manage to.

Ways to create a duchy

 * 1) Build a city in a duchy that is not claimed.
 * 2) Build a castle with a town in a duchy that is not claimed.
 * 3) There isn't a kingdom of the same faction, claiming those lands

Kingdom
A kingdom is a result of a player owning the duchy with the capital of the kingdom (if there's one), or a duke with other players that agree to be his vassals. The duke retains the former titles and is allowed to create the kingdom, gaining a claim on all the lands that are biomes of that faction (more or less). A king can vassallize other duchies, but there is only one king for each faction.

How to create a kingdom

 * Own a duchy
 * Have another duke agreeing to be your vassal.
 * There has to be a valid kingship to claim, meaning there has to be at least an in game faction that can be considered a kingdom, not yet claimed, and it has to be in your territories.

Empire
An empire is an entity spanning for more than a kingdom. It can include multiple petty kingdoms, if outside of the original factions claimed lands (and no king of the faction of the petty kingdom), or one or more kingdoms. Sauron is the only exception, due to the fact he is considered an emperor even if it owns only Mordor, due to his claims to all lands in middle earth.

How to create an empire

 * Own a kingdom
 * Have vassals outside your original faction's claims, that aren't in other kingdoms' original claimed lands (the biome of a faction).