"Yes." Nadia said calmly, "The citizens of this Ishvaran were completely screwed. Hence why they all died with barely a survivor to remember that it ever existed.
"However," she continued. "This may just be what we need."
'How can an approaching army that resembles a never ending black tsunami be exactly what we need?' Kain thinks in confusion. Clearly he and Nadia have very different perspective on what they need.
Likely seeing Kain's skepticism, Nadia elaborated. "Obtaining the Relic Core is only one aspect of clearing a Historical Echo relic. Nobody knows how Historical Echoes are formed, since unlike trial and habitat relics humans are not able to make them, but one thing is for certain—they all present a unique event in human history."
Benji, still looking pale but steadying himself, chimed in. "Indeed. Even the most innocuous-looking historical echoes eventually reveal themselves to be a pivotal turning point in human history."