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.
Their skeevy sides 
brought them together.
.جانباهما القذران قرّباهما من بعضهما
Beides Schleimbeutel.
Gleich und gleich gesellt sich gern.
Su lado rastrero los unió.
Su lado rastrero los unió.
C’est leur côté canaille
qui les a rapprochés…
Entrambi sono esseri spregevoli, è quello che li ha uniti.
Esse lado desagradável uniu os dois.
Спелись на почве общей гнусности.