User blog comment:Patromaniac/ Cinders Planned Conspiracy Theory/@comment-10390252-20140829090133

My call is that the needle is a Sleeping Beauty reference. She's got a toxin that blocks Semblance but only a limited amount, so she's got Mercury and Emerald working out who best to use it on for maximum effect when they attack Beacon. That is what she meant by "taking away what power they have".