Shadow Realm

Proper noun

 * 1)  A place, often another world, universe or supernatural plane, that is inhabited by darkness, evilness, or benevolent entities and creatures, sometimes based around, or said to be, shadows, or personifications thereof.
 * 1)  A place, often another world, universe or supernatural plane, that is inhabited by darkness, evilness, or benevolent entities and creatures, sometimes based around, or said to be, shadows, or personifications thereof.