Since the first meteor carrying God's bones fell on Blue Star, giving rise to the first Divine Ruins, more than thirty years have passed. While that isn't a short span of time, humans still know very little about the ecology of the Divine Ruins.
The formation and dispersion of the dark fog remains a mystery, with no detailed investigative reports to date. Everyone only knows that this meteorological disaster could be a result of contamination from the radiation of God's bones, which may have altered the local geomagnetism or ecology.
Within the dark fog, all electronic devices cease to function altogether. As time extends, within the periphery of the dark fog, one could not even see their own hand before them, yet upon entering the area of God's bones, it could be a snowy day, a sandstorm, or the scorching heat of a vast desert…
But two things could be confirmed.