[He's asking for an honest answer, but Korra instinctively tries to dodge around it. Forcing herself to relax, she pieces the answer together. Jack's the one who started the whole thing, it's only fair that he know what happened.]

I don't know. I mean, Hiro and I got out alive, but the rest of our group... [Korra shakes her head.] And it's not your fault. We all wanted to get answers, too. I just wish I had been better about helping the others.

[There's the touch of guilt in her expression again, accompanied by a shudder that she can't quite suppress. Watching people get electrocuted isn't something she ever wanted to see.]