Tsukasa has learned about the cave where the nitric acid is collected. The race is on between Senku and Tsukasa to restore humanity in their respective visions.
I'm culling them... for the 
benefit of the new world.
.أنا أخفّض عددهم من أجل العالم الجديد
ich trenne für eine neue Welt
die Spreu vom Weizen.
Los selecciono para el nuevo mundo.
Los selecciono para el nuevo mundo.
J’éclaircis les rangs
Sto facendo un'accurata selezione.
Eu só estou reduzindo o número 
de pessoas pelo novo mundo.
Я вычищаю отбросы во имя нового мира.