Ed slowed down, dragging the others with him. There was no way he was staying in that dark chamber alone. He chatted with them about the maps, and less than a minute later, Lucilia flew back and disappeared into the necklace.
While they were still retreating, Lucilia's voice sounded in his mind.
"That fluctuation was deliberately released by her. She sensed a spirit above, just like herself, and wanted to attract me down for help."
So that's it, Ed thought. That explained why Lucilia had sensed the fluctuation and spoken so knowingly the moment they entered. It wasn't that Lucilia had suddenly become smarter; she had never sensed anything like it on their previous treasure hunts. This was all that ghost woman's trick.
"She also thanked me for my help… saying that if she successfully returns to the Holy Mother's embrace, she will give me some gifts as a token of gratitude. She said I would definitely need them."
