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.
Good work, you two. I'm glad you're all right.
Gute Arbeit, ihr zwei.
Schön, dass es euch gut geht.
Bon travail à vous deux.
Ravi de vous savoir en vie.