There was a collective dreamworld. It sounded more like the metaverse than Zerzura did.

[ he's been paying attention, but his approach was different than Akechi's, that's why they complimented one another. that's why he has some faith that they can do this. ]

Then there was the spear, which Spinetail had been studying. Apparently it had been in that same dreamworld.

[ it began to sound more and more like home—more like the metaverse, more like the effects of what had happened there. it was a dangerous road to go down, so he keeps the two separate: this world, and their own. ]