He phases into a blur.

Barry stands on the roof of S.T.A.R. Labs. The city hums below—sirens, chatter, the distant rumble of a train.

"My name is Barry Allen, and I’m the fastest man alive. But speed doesn’t help when the enemy steals the very thing you need to think straight: silence." ACT ONE: THE FREQUENCY OF FEAR

“So how do we stop someone we can’t hear, see on radar, or touch without losing our minds?”

Finally, he reaches her. Not with a punch. He places a small device Cisco built on the cube: a feedback resonator. It forces the cube to experience lossy compression—imperfect, messy, full of static.