For reference
https://twitter.com/shiru/status/1728019477013639656https://twitter.com/shiru/status/1729537924352430402https://twitter.com/shiru/status/1730539801580085435OriginRyS, InfinityRyS/TranscenderRyS and AbyssRyS apparently doesn't exist "anywhere" but withing the "fluctuations of probability" whatever the hell that means
Apparently AbyssRyS exist in a "holographic" brane, which I'm not sure refers to the Hololive universe (or multiverse if there are seperate conflicting continuites) as a "virtual" reality or if it's some zeroth dimension of sorts
Either way, AbyssRyS is LV. 999,999,999 and Redjuice is as chunii edgelord OC as it gets
As for IRyS, she might've existed before Council, if she comes from some sort of "Paradise"
If that is wherever "The Gods" came from, since Bae as "Chaos" might have been the existence of whatever the "mortal realm" (if that's what "the genesis" she had existed since, refers to) prior to it being filled with "Space" and the universe being born
So there is a chance IRyS might be the strongest in EN if she can exist without any of the concepts maybe.
She was made from the gods and is an emboiddement of a concept where as Bae is only one of those and the rest of Council is the other so there is that too...
There's also the AO who seemingly existed prior to Sana and (are implied to have forcibly) made her one of their apostles so, it's a toss up between IRyS, Bae, and Ina and Sana as Vessles. Maybe Shiori if you think the "forbidden knowledge" pertains to the AO
Although Moona did seemingly beat one of the apostles in her High Tide MV but I don't know if that was canon
That's about all I can remember off the top of my head
I only brushed through Redjuice's streams so I can't really power scale IRyS to her unofficial AlteRySes
