"They seem to be searching for ancient battlefields everywhere, collecting the souls of those who died in battle," Gu Yu suggested. "I suspect it's related to the recent global phenomenon, but there are too few clues to be certain."
"The fluctuations indeed are strange this time," the other agreed. "What you've described is only one possibility. I've been studying the recent elemental fluctuations and found them to be restless yet much purer than before. In your terms, they've undergone a complete transformation, shedding all impurities. Thus, I lean towards the belief that the great changes in the world are about to end.
"Of course," the Nosdite Cultists are not to be underestimated. "I'll contact a few old friends in a bit and make sure we flush them out. By the way, since you've fought with them, how strong are they?"
