Theemile wrote: Or what about a hibernation capsule or 2? is there any in-universe limitation on use of the Hibernation capsules (I don't remember - I do know at least 1 of David's universes has a 6 month rotation rule). Instead of leaving once the war was over and the church restored, the remaining command crew could have taken to their capsules and planned to rotate awakenings periodically to guide the church, with the ability to bring more of the archangels back if needed.
From "How Firm a Foundation" (HFaF) pg 185, Merlin musing about what may be in the Temple.
So far as he knew, no one had ever used the cryo suspension systems for a period greater than thirty or forty years. Theoretically, they were supposed to be good for up to a century and a half. But nine centuries?