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.
If you know the name,
there's no need to explain.
Wenn du ihren Namen kennst,
muss ich nichts weiter erklären.
Si conoces el nombre,
no es necesario que te lo explique.
Pas besoin d’en dire plus
si tu connais ce nom.