A wormhole.
Rapidly vibrating frequencies.
Constantly changing myriad colors.
Fleetingly shifting landscapes.
Aiden and Flynn were experiencing all this at an accelerated rate, the sight, reflecting in their irises like a film reel.
Currently, they were inside a Reverse Fissure; a fissure that had proper coordinates to a certain location they wanted to go to, as opposed to naturally-formed fissures which were unpredictable and needed to be studied for a while to know where exactly it's coordinates were linked to.
But at the same time, Aiden and Flynn, as they stayed suspended within the reverse fissure, were also trying to get out of said reverse fissure to take the fastest route to the Astral Plane.
Considering the Astral Plane was basically the gateway via which every fissure passes through, finding it would be exceptionally hard since it wasn't a visible dimension.