Kohaku has located the treasure left behind by Byakuya and the others, but it's encased in concrete. Senku has to devise a plan to quietly get at the contents inside, so as to not alert the guards.
But finding it and digging it out 
is going to be quite the task.
.لكن إيجاده واستخراجه ستكون مهمة صعبة
Pero encontrarlo y sacarlo
será altamente complicado.
Pero encontrarlo y sacarlo
será altamente complicado.
Sortir les morceaux pour le chercher
Mas encontrar e cavar vai ser bem difícil.
Но отыскать и достать её —
работа вовсе не из лёгких.