Does the Q exist across all multi-verses?

[at Quark's]

I'd think the first.

If there was just one single mirror universe for all parallel realities, wouldn't that make that mirror universe a more fundamental reality than ours?

 

[Mondragon]

Clearly:

Irony he can not escape himself...

 

[Toril Toran]

Perhaps one mirror universe is sufficiently different to others, that it could serve as mirror universe for several dimensions, but not all