"I did my job. I was leaving anyway." She turns (something in there grinds; whatever sparked was regulating a gear, probably) and starts to walk away.

Pauses.

"...It goes both ways, Doctor. Your finger on my trigger. My hand on your scalpel. I can't fight without you. You can't heal without me. Don't ever imagine I'll forget that."

Her legs release a blast of superchilled air; her dash system, carrying Vika over the snow, and away, and away, and away...