I might be wrong but I would say that a +0 treshold would be a "just moved in" bachelor place. A Public place would be a -0 (or -1) as no one actually calls that place home. (A side thought, a well run, good public shelter could be a +0 or +1 treshold despite being public)

The idea of a negative threshold disturbs me. If I apply this to the rules and consider the role of a threshold "as a suppressor", a magical being would actually gain strength! Maybe you want just want to imply that there is so little threshold, a ward would find no foundation? (Which was actually one reason why I asked if +0 meant anything in the first place.)

Public buildings like English Pubs, Libraries (old, well-loved ones), Greasy Spoon cafes (with regulars) and old book shops may have a threshold of -0 depending on the circumstances. Anything where a few people have been there for a long time, anywhere with a lot of history and personality, might have a -0 threshold.

Is there a typo here? Because it seems to be an argument for a +1 threshold, which appeals to me. These are definitely special places and "normal" public places have +0 threshold anyway.

Oh, and why do you differentiate between -0 and +0? I know fate point costs consistently use -0, but using it anywhere else doesn't make (mathematical) sense to me.

One of my players wants to maintain a ward in his apartment (as all good wizards should) and we're both stumbling around a little in the dark. How might the (admittedly feeble) threshold affect his ward? The definition of a ward mentions the threshold a few times, and we get the impression in the books that an existing threshold enhances a ward. At the very least, YS states that a threshold defines the area (eg, a single ward wouldn't cover two distinct apartments without notably increasing the difficulty).

I currently see three possibly distinct interactions:

• The strengths of a ward and a threshold are additive (as opposed to sitting side-by-side).
• The threshold helps or hampers the creation of the ward.
• "Ward" can be substituted for "threshold" elsewhere in the book.

Is there anything definite for or against these points? Maybe we're just making it more complicated than it is.