It is a mod to the game Kingdom Come Deliverance, where you have to fight with different types of weapons and armor, which gives you different stats and capabilities. 

How does it work?

You will be able to change the stats and capabilities of your armor and weapons.

For instance, if you have a weapon with a lot of damage but also have weak armor, you can improve the stats of the armor to increase your chances of survival.

Also, you can find different types of weapons, like swords, axes, bows, etc.