While there are many advantages of these factions, there are also times when you’ll want to bail from a faction altogether.ĭo you know when you should leave a faction and how to do it? Our complete HOI4: How to Leave a Faction guide will show you the way. In the game, this hinges on the factions that you can join or even lead. Just like the actual war, success often comes down to the allies you’ve made. Hearts of Iron IV is one of the best ways to recreate the drama and excitement of World War II.