Lanefan
Victoria Rules
What happens if one DM's crew somehow does or triggers something that affects the entire world? Is the other DM bound by this? (worse, what if the world-shaking event happens in the past vis-a-vis the other group?)Well, there's always going to be a suspicion of bias because we're married. All I can do is my best to ensure that I treat her as an equal with all other players. I don't think that matters if we both DM or not. Also, we have completely separate regions, separate campaigns. We keep them roughly in sync time wise in the rare case someone wants to cross over from one campaign to the other.
So not sure what to say. Every once in a while we stomp on the edges of the other's territories or we plan something that will have a wider impact. That's the only time we ever discuss campaign related details other than what every other PC knows. I guess our players trust us (the fact that my monsters don't take it easy on my wife's PC probably helps) so it's never been an issue.
That said, one option (maybe for next time) might be to set up a binary planet system, where each of you DMs one of the planets. You can make these planets identical, or not, as you choose; all you'd be locking together would be year length and astronomical features. Then, all each of you need to do is set up some sort of mechanism that allows for world-to-world travel (maybe Elves in their deep forests have such means?), to give cross-overs a way of taking place, and you're good to go.
