It turns out that the travelers Ryoma saved were the local duke and his family. Impressed by Ryoma's various skills and enamored by his personality, they offer to take Ryoma along on their journey.
to remove mineral poisons
from rock salt to make it edible.
إزالة السموم المعدنية من أحجار الملح 
.لجعلها قابلة للأكل
quitar veneno a la sal de roca
para hacerla comestible.
è rimuovere i veleni minerali dal salgemma
 per renderlo commestibile.
foi remover minerais perigosos da
pedra de sal e torná-la comestível.