Yata-no-Kagami

In the years after the Nightmare Invasion, the Yata-no-Kagami was never moved from the Illusory Labyrinth and has since then become no more than a legend.

Powers and Abilities
Yata-no-Kagami is a powerful mirror that can:
 * 1) A God/Goddess: They can trap any one mortal soul they choose in the mirror for one mote, the soul can only come out when requirements chosen by the deity are fulfilled.
 * 2) A demon or youkai: ...Absolutely nothing occurs...
 * 3) Anything else: Becomes more demonic the longer they stare into the mirror.

History
The Yata-no-Kagami has never been used, but is part of the 5 Divine Artifacts holding up the rule around Mina's land from the western-most point of Mina's land. It is also one of the Sacred Treasures of Mosooriku.