A free mod for Mount & Blade II: Bannerlord, by Wake_Up_1111.
The Sturgians are the most powerful warriors of the medieval age. Their style of fighting is unique and their strength lies in numbers.
In this mod, you can play as a Viking or a Sturgian, and you will find various types of units such as Vikings, Sturgians, Nords, Skolsk, and other minor units that can be combined to form a powerful army. The goal is to defeat all of the enemies and capture the territory that you can.
You will be able to capture various territories such as islands, cities, or villages. However, there are a lot of obstacles such as mountains, rivers, and other units.