She pushed the adobe user into an incoming train.
We already knew her mindset since chapter 2, and it's got more traits in common with psychopathy than ASPD. She lacks empathy and finds it challenging to value life, including her own, but she's got genuine likes and dislikes including an...
It's been telegraphed for a while that we're approaching the endgame. Most of the Rami on both sides are gone, the Pope has betrayed his Tower, and his forces are essentially operating autonomously on a one-way trip to the Imperial capital.