The point of this is to see if we can separate the mind and body and use Dream Travel to go to the dream created by Microcosm, with the body of the dreamer safely stored in Quintessence.
All of this assumes that Microcosm does create a dream demiplane, which by RAW may be dubious. But if it does, cheap pocket plane with better time traits we could otherwise get. Downside: dealing with monsters of the dream world might suck. Upside, pretty hard to get there if you're not a creature related to dreams.