All that’s needed to make antibiotics is alcohol. The best way to get some is to win the Grand Bout, which the Senku and his kingdom will also need to do in order to keep Magma away from Ruri and give her the drug.
I'm finally going to really, 
really put myself to use!
!أخيرًا سأكون مفيدة حقًّا
Endlich ist die Zeit gekommen,
dass ich wirklich, wirklich helfen kann!
Por fin voy a ser útil.
Por fin voy a ser útil.
L’heure est enfin venue pour Suika
d’être véritablement utile !
È finalmente arrivato il momento
Eu finalmente, estou sendo
útil para alguma coisa.
Настало время, когда я наконец-то могу
помочь по-настоящему!