Senku, Taiju and Yuzuriha head to Hakone to collect sulfur for gunpowder, which they’ll need to fight Tsukasa. They accidentally set off an explosion, which attracts some unexpected attention.
It was clearly raised in 
response to our smoke.
.من الواضح أنّها استجابة لدخاننا
Das ist ganz klar ’ne Antwort
auf unseren Rauch.
Obviamente la hicieron
en respuesta a nuestro humo.
Obviamente es en respuesta
a nuestro humo.
C’est visiblement une réaction
à notre colonne de fumée.
È stato chiaramente lanciato
 in risposta al nostro segnale...
Foi claramente uma
resposta à nossa fumaça.
Очевидно, его зажгли
 в ответ на наш дым.