Nor should they be associated (at least as once in the same).
Minfilia defined a space between worlds (at least as far as Eorzeans are presently concerned) twice.
An Ascian is an immortal because its soul doesn't return to the aetherial realm when its host is defeated.
Instead, it flees to the place that lies between our world and the void.When you arrive in the Chrysalis, the Region title is given:Admittedly, your victory proved ephemeral, as Lahabrea was able to use a Crystal of Darkness to flee into the space that lies between our world and the void.
They used the same name for the place Louisoix sent the Warriors of Light, though, so there might be several rifts.
- EN: Aetherial Rift (Japanese titles match EN)
- FR: Fissure Interdimensionnelle (Interdimensional Fissure)
- DE: Zwischenwelt (World Between / Betwixt-Worlds)