In search of a way to master Shadowverse before his battle with Haruma, Light challenges his own teacher. But he's shocked when he finds out what her rank is!
And Grand Master, at the very top.
.وغراند ماستر في القمة
Und ganz oben ist der Rang Grand Master.
Y, en la cima, Grand Master.
Y, en la cima, Grand Master.
et enfin,
e in cima a tutti c'è Grand Master.
E Grand Master bem no topo.
А ещё... наивысшая степень — 
ранг грандмастера.