Elspeth (and Jacob) return home to Aurum, and promptly from there to Isle Esme, after the party has concluded, and Elspeth starts looking for Felicity. (And incidentally assessing the house and island for damages.)
"Because they wanted to. And their partners were up for it too, except in Helen's case, Amariah was very upset with Kas about that."
"Amariah missed the first thirteen years of Helen's life, isn't actually subjectively old enough to have a thirteen-year-old daughter, and feels like she's been robbed of her firstborn."
"Kerron in particular might make sense to have visit. He has a witch-ingot ability that lets him detect goals and intentions and the like, so if you decided to be obnoxious to him he could leave, first, if he wasn't in the mood."
"I'll ask him tomorrow; his sleep cycle may have been thrown off by being in a space plant."
"Aianon makes all kinds of interesting plants. It's something of a specialty of his."
"It's useful, anyway. But he did get stuck in Origin when he was there ecoforming the Saturn there and Jane broke."
"But now he's learned to freecast so he's going to make a treehouse palace for Tab."
"I imagine so. Jane will be able to show you pictures on your computer, if you like, once it's done."
"On the grounds that its primary purpose would be to let her take you back if you wandered out of the universe, and he judges that you aren't yet likely interested in coming back."