Boruto and Mitsuki worry that their mission is in jeopardy, since Kokuri is scheduled to be transferred to Hozuki Castle II. They decide to escape with Kokuri before he's moved. As they discuss their strategy with Sarada, their cellmate Kedama overhears them
which opened only when rainwater
was about to overflow.
والذي يُفتح فقط حينما تكون 
مياه الأمطار على وشك الفيض
das Schleusentor, das sich nur öffnet,
wenn der Regen alles überschwemmt.
por la compuerta que se abre cuando
el agua de la lluvia supera un límite.
por la compuerta que se abre cuando
el agua de la lluvia supera un límite.
era la diga, che si apriva soltanto quando
 l'acqua piovana raccolta superava un certo limite.
que só abria quando a água da
chuva estava prestes a vazar.