It is the value that is required by some of powerful weapons. You should strive to reach, around 26 points, at experience level 50, i.e.
Determines the value of damage that you deal and, thanks to the increased maximum weight, you will be able to carry the heaviest of armors, weapons and shields. Notes: The Basic attribute for each fighter. Increases damage dealt by weapon that relies on strength for being used and (slightly) the maximum weight that you can carry. Indirectly, by determining the maximum permissible weight and directly, due to the requirements of various elements of gear. Apart from the basic statistics, they also determine what gear you can use. Attributes are the most important features of your character and they have an immense effect on your fighting style.