One morning, Arsnotoria loses her sense of smell.
Noticing this, Mell, Little Alberta, Picatrix, and Abramelin attempt to employ "shock therapy" by gathering all sorts of "intense smells" so that Arsnotoria can regain her sense of smell.
collected on the rock surface 
and crystallized over hundreds of years.
.تجمعت على سطح الصخور وتبلورت على مدى مئات السنين
das nach Jahrhunderten kristallisiert ist.
Il faut des années pour le cristalliser.
C’est d’une rareté sans pareille.
e se cristalizaram ao longo
de várias e várias décadas.
веками скапливался там 
на поверхности скал.