Hiiro learns the magic spell of the Kokuu blade, a weapon which will strike an enemy from afar.  Hiiro is far too terrible a swordsman to put it to use, but Master Theo notices that he has incredible power.  Theo realizes that not only is Hiiro keeping Dagan Zot's heart in check, Dagan Zot is the only thing keeping Hiiro's heart from going out of control...
Hiiro-kun and Saraato are two of a pair.
هيرو-كن وساراتو وجهان لعملة واحدة
Hiiro und Saraato sind
zwei Seiten einer Münze.
Hiiro-kun y Saraato son 
dos partes de una pareja.
Hiiro-kun y Saraato son 
dos partes de una pareja.
Hiiro et Saratto
sont faits l’un pour l’autre.
Hiiro e Saraato sono
 due facce della stessa medaglia.
O Hiiro-kun e a Saraato 
formam um par.