CHAPTER 33As they stepped inside the Bowraith Spire, Mara and Diana found Ginger perched on a flight of broad stairs that spiraled upward along the periphery of the structure. The outer walls were unfinished, nothing covering the rough-hewn intertwined vines that defined the facade from the outside. The stairs encircled a central pillar comprised of the cellulose that made up the walls of the Arboretum—mildly translucent and emitting enough light to see details around them. While the central core appeared large enough to accommodate rooms, its murky interior appeared filled with a thick vaguely green gel through which tendrils undulated.
Diana peered through the interior wall. “What do you make of that?” One of the tendrils snaked toward her as she asked, but, when the floor quaked again,
