[Her misplaced mirth slowly begins to fade as time goes on, especially at Ruler's question. She continues absentmindedly petting Tetra's hair as she goes on.]

Riki said he was the one behind the explosions these past few months. It would make sense for her to be upset.

[A steeling breath, and then:]

But no, I was not selected for that experiment. I was one of those who broke in trying to save the ones that had.

[The way she speaks, it's pretty obvious that attempt did not end well.]