Board Thread:Speculation House/@comment-27883360-20160305074527/@comment-25936766-20170121005533

Arkantos95 wrote: it's just that Cinder only needed hers for a moment whereas Ren's had to sustain his. Not quite. Let me clarify that:  Ren was trying to push back something that was constantly moving towards him. Cinder, meanwhile, simply stopped a projectile, one that crashed against her.

What Ren did was like trying to push back a moving vehicle. What Cinder did was like shooting a paint gun at a wall. With the former, the vehicle will be pushing you constantly. With the latter, the paint will stop once it crashes with the wall.