Accessing memory may not be so difficult. [Or it is, but someone like Noa had a good many years to be able to do it.] This place is already more sophisticated than most everyone here is used to seeing. If they've the ability, truly, to bring various peoples in space and time to wherever we are being physically housed, then maybe they can manipulate our own memories in such a way.

[It's cold comfort, because--and this is a thought he dare not speak--what if he's wrong?]

You don't think that could be 'your' Saber because of the way the rules of your world work. And if it is an alternate Saber, a Saber in this world or somehow a different one...would it matter as much to you?