Illya, Miyu, Kuro, Luvia, Rin, and Bazett all head to the mirror world underground in order to face the Heroic Spirit of the eigth card. Centered in the ley line and stocking up a vast amount of mana, the only strategy they have is to through all of their might against him and take him down with their first blow. They unleash all the firepower they possess against that Heroic Spirit, but--?!
I don't know the reason, 
but I understand how it's done.
Keine Ahnung warum, aber ich weiß,
wie es klappen wird.
No sé la razón, pero 
entiendo cómo se hace.
No sé la razón, 
pero entiendo cómo se hace.
Je ne sais pas pourquoi,
mais je sais comment faire.
So come deve essere fatto, 
anche se non ne capisco la ragione.
Eu não sei o motivo, 
mas eu sei como se faz.