THE DISCIPLINE SKILL (Common) - Lusternia Online Help

9.1.7 THE DISCIPLINE SKILL (Common)

The training and honing of your willpower falls under the skill of 
Discipline. The primary benefit is increasing your rate of power renewal. 
There are also a handful of useful skills that are acquired that flow 
from the mastery of your will. Also, your willpower will regenerate faster 
the greater your skill in Discipline.