[It's monumentally stupid, but Rei tries hard to keep her head clear and free of anger, because holy shit this is stupid. What is wrong with this boy.]

You took it personally that I was able to find Athena and you weren't. Right.

[She sucks in a breath, lets it out slowly...and nods]

Merlin, I am sorry for what happened. I should have known better than to activate that robot, but I wasn't thinking clearly. It was my mistake to fix, and I'll be frank. Sometimes that is just how this place works. Nobody can do everything they can at home, and I'm sorry that the realization came this way for you.