Torchlight II - Skills

In Torchlight 2, skills are in trees and more become available to unlock as you level up throughout the game. To use skills you have to put skill points into it them, these are gained by leveling up and your obtianing 'fame'. Fame is rewarded to you by killing bosses and completing quests. You can then improve skills by adding more points to it, reaching a new 'tier' of skills every five points.