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Two rifts have opened in the city. One festers within a crowded tenement. The other has split the floor of an old temple to K'hara the Merry in the dockwards. Both are leaking impossible things into Chateauclair: black water, pale crabs, and unfamiliar unknowable voices. Six adventurers have been contracted by the Vemico organization to investigate. This will be a strange collaborative one-shot run by two DMs (Fluga and JK) at the same time, using Discord and Roll20/Owl Bear Rodeo. The party will need to decide how tackle the rifts, each descending into its own version of the Undercity. Both DMs will begin with the same dungeon map, but each will build it independently. The rooms, threats, history, and meaning of the place may be completely different depending on which side you enter—and what happens in one dungeon will directly affect the final encounter.
You will not know what the other group is experiencing. You may not know whether they are still alive. But whatever is holding the rifts open is waiting for all of you.