Viktor opens his mouth, a tiny sound coming from the back of his throat as he starts to say something, then closes it again, brow furrowed in thought.

After a few moments pondering, he speaks.

"She did not know that I was using the hexcore to fix myself. No one did. She just happened to come into the lab while it was happening. It was like a hurricane of magic, like a vortex, sucking me in." He sounds amazed by the power of the magic, even as he describes this horrible experience. "She grabbed onto me to try to save me from it. It... It vaporized her."

So, yes and no. It was an impulse decision by her. She didn't know what the risks were, exactly, but...

"She sacrificed her life for mine. She had such dreams."