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...
but actually teaching you some 
way to handle the Dragon Form...
...لكنه سيعلّمك طريقة ما للتحكم بهيئة التنين
pero quiera enseñarle una forma 
de controlar su forma de dragón…
pero quiera enseñarle una forma 
de controlar su forma de dragón...
pour vous enseigner
à contrôler votre transformation ?
in realtà vuole spiegarle
come gestire la Forma Draconica...
mas na verdade vai te ensinar 
como controlar a Forma de Dragão...