A demon king has appeared in a neighboring kingdom and the king has to figure out how to deal with it. Meanwhile, Saitou makes a mistake which sets off a trap that sends him to one of the lower levels of the dungeon.
the effectiveness of the 
healing increases dramatically.
ترتفع فعاليّة العلاج لحدٍّ كبير
verbessert sich die
Wirkung der Heilung drastisch.
la eficacia de la sanación
aumenta drásticamente.
la eficacia de la sanación
aumenta drásticamente.
ce qui permet
d’accélérer la guérison.
È un modo per aumentare l'efficacia delle cure.
a eficácia da cura aumenta muito.
и тем самым сильно повышают
её эффективность.