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.
to phase-shift, maintaining a petrified state.
.في العناصر، ما يحافظ على حالة التحجّر
en los elementos para petrificar.
mantiene lo stato di pietrificazione.
nos elementos, mantendo 
um estado petrificado.
так поддерживается окаменение.