This template inserts a little marker which signifies to readers that the preceding thing is part of the The Forgotten Sanctum expansion. This is a short version of Template:Tfs.
For now the marker looks like this: [FS]
Instructions
Simply write {{fs}}
where you want the marker to appear.
There should be a space between the name of the thing that is being marked, and the marker - for example:
The above documentation is transcluded from Template:Fs/doc. (edit | history)