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.
Now it's just a matter of lighting up
لم يبق سوى إنارة
Schwefelsäure
il reste plus qu’à cocher une à une
ci basterà illuminare una alla volta 
tutte quante le caselle
Осталось только пройти шаг за шагом,
как отмечено на карте, и дойти до финиша!