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.
Then, at last, we can make 
the drug to save Ruri-nee?
هل يمكننا أخيرًا صنع العقار الذي سينقذ أختي روري إذًا؟
Entonces, ¿por fin podemos hacer
la medicina para salvar a Ruri?
Entonces, ¿por fin podemos hacer
la medicina para salvar a Ruri?
Ça veut dire qu’on va
enfin pouvoir faire le remède de Ruri ?
Questo significa che finalmente...
Então, finalmente poderemos fazer o
remédio cura tudo para salvar a Ruri?