Ange tiptoed forward, using Dark Elements to sense the outside world, a passive method of perception that, though penetrating in nature, is exceedingly practical in fog-shrouded environments.
If he stood still, it would be fine, but any movement would immediately radiate energy waves, which were quite conspicuous against the pattern of the waves, giving the impression of something akin to dynamic vision.
Just now, Ange had noticed, amidst the fog, a certain contemptuous snort, faint, yet so rhythmic that Ange detected it instantly.
After moving a certain distance, Ange suddenly merged into the fog.
Originally, his movement displaced the fog, like moving through water, pushing the currents aside but now he had melted into it, the fog passing through his bones, as if he had liquefied.
The Abyssal Big Mouth that had been watching him noticed this change and whispered in surprise, "How did he become ethereal?"