“Remember when Lily opened the door to Arctis Tor for us, back when?” “Sure.” “When we got inside, the Leanansidhe was popsicled in Mab’s garden,” I said. “Because something had invaded her and influenced her actions. Mab was in the middle of some kind of exorcism based on the model of an ice age.” “And?” “And what if this invader got into the water before Mab caught it?” I asked. “What if it got into Maeve?”