Developer Islands in some zones

[ChaosSlayer]

In Assent there is a "fake" floating island.
if you start from the low end of the zone and go up you will reach the open area on the top and you can see another island in the distance, but you click the gate to port to next island you in fact been transported to another island where zone continues, and island in the middle is in fact unreachable by normal means. I don't have the coor atm but this is what you can look what