When Starling injects the head of a frakking company with the same toxin that now lies dormant in the blood streams of all of the Birds of Prey, Black Canary knows that they have gone too far to return to being the same old team again. Never has she felt so betrayed as she does now. Batman had been right about Poison Ivy, and now they were suffering as a result of trusting her. Though Black Canary trusts Katana implicitly, this was not what she wanted for her team.