Alchemy
Working with chemicals and producing anything from perfumes to deadly poisons. Used by apothecaries.
Scale:
0: Drinking things that are strange colors is probably bad, but fortunate favors the bold, right?
1: Could recite at length about what toxic substances someone might have just ingested.
2: Could start to categorize the very many, very strange things that can be mixed together.
3: Can't turn lead into gold, but can definitely turned unpoisoned into poisoned.
4: Alchemy is extremely random, but at this point it's less so.
5: Master perfumer, master poisoner, everything in between.
6: Okay the lead into gold thing might be in the cards.