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"Ah, of course. The Primordial Essence Fluctuations were the streams of energy that ran across Genesis in the past. I only recall seeing them when I was a baby… Such Streams of energy ran across the world, nurturing it and changing the landscape and the living beings inside…" said Gaia.
Answering my question to enlighten us, Gaia proceeded to reveal something that no one of us present here knew. I instinctively called Agatheina through her artifact, letting her and the Gods listen to what Gaia was speaking about, it was as if everyone gathered around a grandma that was about to tell a story that she experienced in her long life.
"The streams of energy? Wait, what? Did those streams changed how the world used to be?" asked Zehe.
Check "The Protagonist's Sister Is Actually the Strongest"!