Difficulty
Difficulty numbers are used to objectively measure how hard it is to accomplish some task.
The Narrator determines what the Difficulty is to do things in the world, though many rules have suggested Difficulties listed already.
Difficulty numbers are indicated by the # symbol.
When the task is a contest of some kind against an adversary, the Results of both sides' rolls sets the Difficulty for each other (reroll ties).
3# = Easy
6# = Routine
9# = Challenging
12# = Hard
15# = Very Hard
18# = Extreme