Ash decides to cooperate with Xiao in order to thwart Luther's ambitions. After Ash is shown remnants of Luther's experiments, Xiao tells him about Luther's goals and explains how Xion is the key.
So you're saying I was being watched?
Ich wurde also die ganze Zeit lang
beobachtet?
¿Dices que siempre me han vigilado?
Il me surveillait tout ce temps ?