In the fictional Guardians of Time Trilogy
, realms are separate locations existing in alternate dimensions. To travel to another realm, a rift must be opened to it, allowing travel to the other realm. Only Immortals, or several other powerful beings acting together can create a rift. A single person with the given power of agelessness, which endows the receiver with some reduced immortal powers, generally cannot force a rift to open by themselves.
The Earthly realm is where most of the book takes place. The Citadel
, etc. are all in the Earthly realm.
The Earthly realm is unique in that it is the last of the living realms - that is, it's the only realm that is still creating new souls. In order for the realm to remain living, evil must not be allowed to completely dominate the realm. For instance, the Underworld was once a living realm, but ceased to be after evil took over.
The Middle realm is where lost souls wander until they reach the afterlife. They "cross over" when they cross a bridge over a river, leading them, presumably, to the Heavenly realm. This bridge is destroyed in The Key
and replaced with a portal leading directly to the Underworld.
Souls generally wind up here when someone dies outside of their time. If the body their soul inhabits dies while they are in the past, their soul will enter the Middle realm instead of passing directly to the Heavenly realm. Souls trapped in this realm can be returned to their... Read More