User blog comment:Worldsfinest89/Some Artemis speculation/@comment-5165918-20121006195341/@comment-4821105-20121006231843

I think she is able to notice that Trigress is Artemis. And Tigress looks like she can be a match to Cheshire. Plus Artemis could reveal her secret identity to her sister since she now wants to kill Aqualad and probably any people that tries to stop her.