User blog comment:Maki Kuronami/Lesson 6: Aura and the Grim diversity/@comment-15586611-20130823015133/@comment-10390252-20130823102227

Kerry was right: Blake is a ninja. She'd obviously been tracking Yang for a while, having decided to team up with her, but was looking for an opportune time to make her 'introduction'. Killjacking the second Beobear seems to have been her chosen method.