Mhm.

It'd be incredibly easy to dodge after you know what she's capable of. Grimm could create a portal that made her get hit with her own attack, for example. All he'd have to do was set it up before the attack was launched and before she could stop herself from attacking.

Or, in Ethan's case if they ever got into a fight, all he'd have to do is raise a giant rock wall to deflect it.

Be [i]creative[/i], think outside the box. Even the 'weakest' ability could be devastating if used creatively.