Naruto has a strange nightmare several days after their failure to bring Sasuke home. Even after he awakens wisps of the dream keep haunting him.
will require an enormous amount
of time and effort.
مقداراً هائلاً من الوقت والجهد
requerirá una enorme cantidad 
de tiempo y esfuerzo.
requerirá una enorme cantidad de tiempo y esfuerzo.
richiederà tempistiche lunghe e parecchia fatica.
exige enorme quantidade 
de tempo e esforço.
невероятные усилия и временные затраты.