The One Realm is a name given to the outcome of merging all the realms into one existence. The only known means of creating the One Realm is with the power of the One Kamidogu. It is not clearly known whether or not the "minor" realms (realms that are not Earthrealm, Netherrealm, Chaosrealm, Outworld, Orderrealm, or Edenia such as Nightmare Realm, Zaterra, Vaeternus, etc.) can also be merged into the One Realm, or even if the "minor" realms have their own Kamidogu to start with, although in Onaga's secret ending in Mortal Kombat: Deception, he explains his battle with the Elder Gods in the Void "beyond the One Realm", which can be inferred to mean that everything (including the Heavens) were also merged into the One Realm, except Onaga and the Void and at the time, the Elder Gods. Whether