Learning that his chakra is of the "wind" type that is outstanding for fighting, Naruto puts more effort into his training.
There really aren't that many...wind types.
نادراً ما تجد مُقاتلين يستخدمون صنفَ الرّياح
Las personas con naturaleza de 
viento no son muy abundantes.
Las personas con naturaleza de viento no son muy abundantes.
Quella del vento è una proprietà... 
direi poco diffusa.
Чакру ветра не так часто встретишь.