Geography

The By the Blade story is set in a interpretation of the universe that plays on the many-worlds interpretation in a literal sense. The majority of the story takes place on a terrestrial blue planet called "Earth Realm" which sits among a set of other "planets" known as realms that are linked to one another through portals.

Earth Realm
Main article: Earth Realm

Shadow Realm
Main article: Shadow Realm

Nightmare Realm
Main article: Nightmare Realm

Dream Realm
Main article: Dream Realm

Phantom Realm
Main article: Phantom Realm

Hollow Realm
Main article: Hollow Realm

Elder Realm
Main article: Elder Realm