Like a middle line, dividing yin and yang.
Atop the Primordial Water, the world seemed bisected as if cleaved in twain, one half filled with boundless Light, igniting an undying golden blaze; the other half plummeted into Darkness, void of even a glimmer of light.
Day and night appeared to be born from the same sky; witnessing this scene, Amon-Ra felt truly astonished.
Without moving, he achieved this feat in a form akin to 'word spirit'; if he hadn't devoured the power of the Absolute Void, then he, solely as the God of the Sun, would likely be powerless against his opponent's full force, just like the scene before him.
And were it not for the world's favor that came with the successive fall of the Nine Pillar Gods, he, as Amon-Ra-Atum, would still struggle to contend with the other.