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.
Didn't you hear Xiao? Changing the
past is incredibly dangerous.
Xiao hat das doch erklärt!
¿No escuchaste a Xiao? Cambiar el pasado
es terriblemente peligroso.
Xiao t’a déjà dit que voyager
dans le temps était dangereux.