I’m not saying I invented the term “Session Zero”. I don’t have the data to support that statement. I can say that I referred to sessions by number early in my career, and that my post about Session Zero predates, often by several years, almost everything you can find about it with an online search, and I leave it to my readers to draw any conclusions.
And while Session Zero is great at putting everybody on the same page before a campaign begins, its relevance fades as the campaign progresses. Over time, things change. Characters evolve. The plot makes unexpected swerves. Some people leave and others join, both in-game and out. The players’ impression of the campaign halfway through is not (and should not be) the same as it was before they made their first initiative roll. For long-running games, Session Zero and its decisions disappear ever more into the background, and sometimes it serves the table to take a step back, look at what’s happening, and make any necessary course corrections.
That’s where Session 13.5 comes in. Continue reading