Her expression doesn't react to his rage, utterly mask-like. But she feels it, a cold front that's suddenly entered the space between them.

"Sophia was a hero, one who Brian and I both have violent history with. We used her to infiltrate their base when our boss wanted us to secure some information. When we were done with her, Regent made her expose her own prior behavior to the PRT, and she went to jail. Shatterbird is a member of the Slaughterhouse Nine. We needed the additional firepower to defeat them, have a chance at stopping the end of the world. We failed," she added, tone flat. "But she's too dangerous to release."