Ren's vowed to bring out Ryoma's potential, but is once again pushed back by an enemy stronger than Sakura—Dark Usurper Zeus. 
With even Kamui and Napoleon struggling, Ren remembers words Akira has spoken in the past. 
And then...?
You're probably not used to using
pierce monsters.
Vielleicht, weil du diese
Piercer-Monster noch nicht kennst.
Tal vez no estás usando
monstruos para perforar.
Probablemente no estás acostumbrado
a usar monstruos perforadores.
Tu n’as pas l’habitude d’être face
à ce genre de monstre.
Não deve estar acostumado
a usar monstros de perfuração.