Breaks are introduced with the first boss fight against Trishula in the prison, therefore it might be hard to avoid doing this. To break, it is more possible to damage the enemies with Force abilities when they are guarding or casting, but it is also possible if you repeatedly use triangle or Force abilities on an enemy. Yuma has an increased chance of causing Break with his Triangle, and the Good Friends Bond can cause Mental Attack which, among other ailments, can grant a Break Damage Up affliction.