Praise the Pontiff, this is what true absence of light really looks like.
It's not as simple as swallowing the light whole; it seems the concept of "light" itself has been completely dispelled.
You should know that the Prism of Radiant Transformation changes the fundamental rules of the world concerning color, which cannot be resolved by mere envelopment in darkness.
In the silent night, with the chill of the vanished light, a ring-like solace envelops the entire body, inducing a tranquil desire for sleep.
Faced with such an ideal development, Fu Qian couldn't help but marvel at the image of a figure in splendid robes leaning back in repose that emerged in his mind.
The matter just now was quite simple; before activating the Eye Within the Eye that had long been prepared, he first initiated the second effect of the Dark Moon Ring.
The reason, naturally, was the effect's description of "absolute absence of light" in Deep Sleep of Time and Moon.