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.
The boulder of a treasure box.
.جلمود صندوق كنز
cet énorme coffre de pierre !
ho aperto l'enorme forziere di pietra.
A rocha baú do tesouro!
Сундук в виде огромного камня!