Winning the war not always result in land coming to your realm! If you are not claimant there are two conditions that must be met to get a land through Claim war: Claimant must already have land in your land barony will suffice. Legal is in quotation marks since they can be fabricated important! Pressing a claim means wage a war in a name of person having the claim agains person holding the title. Winning De jure war always results in realm coming to your realm but if you are the king it's not always for you, I will describe it later. If you have duchy title, but not all of it's de jure lands belong in your realm, you can wage war against outside holders. Every duchy consists of counties, every kingdom is made of duchies and so on. You can wage war against someone who has lands you or one of your courtiers have claim on and few other reasons, but for the sake of this guide we will need just Claim and De jure. Are you new to Crusader Kings 2 and don't know where to start? Fear not for this guide will show you how to create a kingdom in one character! Chapter 0: Before We Start Before we start let's clear something out that can be confusing for new players: Cassus Beli is a reason for war.