From the Bottom of Darker Episode 5

As Chris is punished for the failure of her mission by a mysterious woman known as Finé, Tsubasa regains consciousness after speaking with Kanade in her dream about how she should live. Meanwhile, the Minister of Defense is assassinated by terrorists, targeting a case that Ryoko manages to recover. Ryoko explains the case contains a chip pertaining to the Durandal sword hidden beneath the base. Hibiki accompanies Ryoko on a mission to escort Durandal to a safe location, but they are soon confronted by Chris and a group of Noise which Hibiki fights off. The Durandal responds to Hibiki's voice and activates, and despite Chris's attempt to grab it, Hibiki grabs it instead, giving her a short moment of incredible power which drives off Chris.