Celebrim
Legend
My multiverse does not contain or connect with any other. The inner and outer planes of my multiverse are not shared with any other multiverse, nor can any being in my multiverse make that connection. The main reason for this is to keep the deities distinct. D&D deities typically aren't powerful enough to be rulers of a world much less a universe. It's barely possible to believe the typical D&D deity is even powerful enough to serve their clergy spells - certainly nothing in the 1e AD&D 'Deities & Demigods' suggests these over sized monsters are truly deities.
The bigger the scope of your multiverse - if your multiverse shares every published and unpublished world - the bigger the scope of the deities that serve and move those multiverses, and the less like D&D deities they seem. You start needing more and more over deities. You end up with a cosmology probably something similar to the Disc World, where deities are pretty small and need regular feedings of belief to muscle up, and they themselves are subject to Death, who is subject to Azrael, who presumably (having an angelic name) is subject to some over deity actually with the power to have set it all in motion.
Now, there are some signs that this is actually true about my universe. Aberrations as a class of beings are believed to have come from outside the universe (though there is considerable debate as to whether outside of the universe they exist or are merely potentialities or shadows of things that could be). At least a couple of beings are said in myth to have gone outside of the universe and come back (though, these are insane and not very communicative, so there is considerable debate about that). There is an over deity, or at least there is believed to be an over deity outside of the universe that may have gone on as far as anyone knows to make other universes (though there is considerable debate about this as well). Inhabitants of the universe are free to believe that there are other universes out there if they want.
The important point is this just has no direct bearing on the game. There is no Sigil. You can't visit it, nor can people from other multiverses visit this one. If you go to the Seven Heavens, only the deities of my campaign world are there - and not members of various pantheons serving other worlds. You can't travel to alternate prime material planes. Having a whole multiverse is complicated enough as it is, without getting into the difficulties that led DC to run its 'Crisis on Infinite Earths' simplification.
The bigger the scope of your multiverse - if your multiverse shares every published and unpublished world - the bigger the scope of the deities that serve and move those multiverses, and the less like D&D deities they seem. You start needing more and more over deities. You end up with a cosmology probably something similar to the Disc World, where deities are pretty small and need regular feedings of belief to muscle up, and they themselves are subject to Death, who is subject to Azrael, who presumably (having an angelic name) is subject to some over deity actually with the power to have set it all in motion.
Now, there are some signs that this is actually true about my universe. Aberrations as a class of beings are believed to have come from outside the universe (though there is considerable debate as to whether outside of the universe they exist or are merely potentialities or shadows of things that could be). At least a couple of beings are said in myth to have gone outside of the universe and come back (though, these are insane and not very communicative, so there is considerable debate about that). There is an over deity, or at least there is believed to be an over deity outside of the universe that may have gone on as far as anyone knows to make other universes (though there is considerable debate about this as well). Inhabitants of the universe are free to believe that there are other universes out there if they want.
The important point is this just has no direct bearing on the game. There is no Sigil. You can't visit it, nor can people from other multiverses visit this one. If you go to the Seven Heavens, only the deities of my campaign world are there - and not members of various pantheons serving other worlds. You can't travel to alternate prime material planes. Having a whole multiverse is complicated enough as it is, without getting into the difficulties that led DC to run its 'Crisis on Infinite Earths' simplification.
