Today in my L5R game if things go well we're going to hit a huge milestone. Which milestone? The point that once crossed means the PCs will more or less be locked into the end game events for this generation.
It occurs to me that this might be an unusual thing, somewhat unique to my game. It doesn't always happen, but every now and then events build up to a point where they hit a climax like event. A large sequence full of "set piece" moments and things of that nature. It's not that my players lose the ability to impact the story, so much as the ending has been shaped by their actions up to this point, and that in turn has limited their options somewhat going forward.
In this case, it means that post GenCon we should be moving into mass battles, life or death situations, and the chance for PCs to end up making the ultimate hero's sacrifice - assuming they even get to that point, because for all I know they're going to crush the forces arrayed against them.
It should be interesting. It will hopefully be fun. I'll find out tonight.
The question is, do you do things like this in your game? Anything memorable stand out? Any times it has gone wrong in ways you didn't expect?