Strength Strength increases your carrying capacity, fire resistance and damage you deal with most melee and throwing weapons.

Dexterity Dexterity affects your Accuracy, Evasion, shock resistance and damage you deal with many missile weapons.

Vitality Vitality affects the amount of Health points you have and your health regeneration rate. Vitality also increases your poison resistance.

Willpower Willpower affects the amount of Energy points you have and your energy regeneration rate. Willpower also increases your cold resistance