Naruto is learning the elements of Wind Style Jutsu, and Kakashi lectures him on the difficulties of developing a new jutsu.
And then having to add
the Change in Chakra Nature to that...
Encima tener que añadir el cambio 
de naturaleza de chakra a eso...
Si encima tengo que añadir a eso 
el cambio de naturaleza de chakra...
E se devo aggiungerci anche
un'alterazione della proprietà...