Dark Realm (冥界 Meikai, also "realm of the dead" or "Irkalla"[1]) is the domain of the Dingir Ereshkigal.

Z/X Encyclopedia Entry

The domain created and managed by the Dingir Ereshkigal. It is a dreary sceneries that spread everywhere beyond the Dynamis, similar to ashen desert.

Souls of those who wear the mask and transformed into devil, as well as those who were killed by the devil are temporarily gathered in the Dark Realm. In addition, countless of so-called skeleton watchman are wandering in there, souls hunted by the watchman will vanish and reduced to the lifespan of devil that killed them. Nevertheless, majority of the watchman has their function halted due to deterioration over the time, and the efficiency of soul adjustment is significantly lower compared with just after its construction. At the other day, the remaining ones were also annihilated by Mikado Kurosaki and Sera Kurashiki, and the Dark Realm became unable to accomplish its essential function.


  1. Irkalla is the name of the underworld in the Sumerian myth.