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In the deepest depths of the unnamed world on which Niflheim was built, the world that was once known as Asgard, a fierce wind blew.

It was a truly terrifying wind, a wind that could shred a peak 4th-class existence to pieces the instant it touched them. This powerful wind was blowing and creating large cave formations near the heart of the world.

But the movements were truly odd.

For many breaths, it would flow in one direction. And once that reached its peak, the wind would suddenly reverse, rushing just as fiercely in the opposite direction.

This cycle continued on and on, and if one observed it for long enough, they'd notice that it somewhat resembled…

Breathing!

The being whose mere breaths could kill peak experts awoke from its endless slumber. Even though its breath was traveling, no visage of a nose or mouth could be seen anywhere, nor could the being's eyes be spotted.