Quote Originally Posted by Deceptus View Post
Then this would just be FFXI and would be pointless.
The way I proposed it in the video is that the sub-job introduces passive traits to your abilities. Like giving protect a HOT, a Spike damage, or a regen like effect. Only allowing jobs to "sub" based of the main job would be how it's easier balanced over time, and allow for a "rock/paper/scissors" approach to game design, etc.