Hiiro realizes that he possesses Dagan Zot's heart, and that if he dies, Dagan Zot will die as well.  Only after Giruu reveals the depths of his devotion does Hiiro find the strength to carry on.
If, as you say, that child 
is the son of Bairo,
إن كنت محقة وكان ذلك الفتى ابن بايرو
Falls dieser Bengel tatsächlich
Bairos Sohn ist, wie du behauptest,
Si como dices, es hijo de Bairo,
Si como dices, es hijo de Bairo,
Si tu dis vrai
et que le gamin est le fils de Bairo,
Se, come dici, quel ragazzo è il figlio di Bairo,
Se, como você disse, 
aquele moleque for filho do Bairo,