Tsukasa’s army attacks the village. Outmatched by the attackers, they have to rely on wits, cooperation and science to fend them off.
No nitric acid means no gunpowder, either.
.انعدام حمض النتريك يعني انعدام البارود أيضًا
Ohne Salpetersäure
fällt auch Schießpulver flach.
Sin ácido nítrico, tampoco hay pólvora.
Sin ácido nítrico, tampoco hay pólvora.
On peut pas fabriquer de poudre
sans acide nitrique.
E senza l'acido nitrico, non possiamo fabbricare 
nemmeno la polvere da sparo per le armi.
Sem ácido nítrico, também 
não temos pólvora.
Без азотной кислоты пороха не сделать.