Board Thread:Off Topic/@comment-26397825-20160113034906/@comment-25396609-20160114022247

Keep in mind that using your semblance drains aura, and not everyone has a semblance which can be used offensively. I'm sure there are more than a few characters with combat friendly semblances who use them more extensively, we just haven't seen them yet.

Dust infusion would be easy to mess up in the same way that shaking a vial of unstable nitroglycerin is a terrible idea. It is a highly potent and volatile energy source.

The WoR wasn't saying it had yet to be cracked, it was saying what long term effects it might have are unknown. Although considering it can be used to create several dozen times its volume in matter when detonated the possibility of overloading the planet with excess material seems pretty obvious to me.