The First Law - (More clans and Unit Overhaul) is an overhaul of the game and includes four new minor clans, the most prominent of which are the Battle Brothers, the Thousand Swords, the Nahasa Desert Serpents, and the Burners. In addition, there are many characters from the First Law lore, such as the Hundred Words, the Long Eye, and the Dogman. This mod is for players of the game.

Players will be able to play as their favorite characters as well as their own. For example, if you are a Battle Brother, you will be able to participate in battles as your character, but also to command and strategize in battles as well.