579, The Terrifying Zimmerman of the Human World

Charles maneuvered a Magic Mirror, hoping to ward off a lethal blow for Kresto, but Zimmerman had already found a way to counter it. His strike shook the omnipresent energy between heaven and earth, shattering the "fragile" Magic Mirror.

Charles secretly admired the brilliance of the technique, for like a real mirror, a Magic Mirror shared a common flaw—it was fragile.

However, this fragility did not lie in the Magic Mirror itself, as it was embedded in the void and did not have to endure any substance.

The fragility of the Magic Mirror lay in its connection to this world, which was very delicate. Once disrupted, the Magic Mirror would vanish.

Charles believed even foes he had fought dozens of times might not have seen through this, yet Zimmerman had effortlessly found this weakness. That strike was deliberate, a targeted move. Its energy dissipated, unable to inflict material damage on those of higher Sacred levels, yet it could destroy the existence of the Magic Mirror.