On a serious note. I'm thinking dimensional travel should really be limited to the Nexus gates with the rare special exceptions. (like clockmans transporter thing) After all the whole point of the meta-story is gaining control of the nexus. Be odd if people can just go where they want. (like those with ships for example) 

As it is one gate in a world sends someone only to one other world and so on. So it would probably look something like..

Sortiarius->Necropoli

Necropoli->Mystique

Mystique-> Perdo Wastes 

Perdo Wastes-> Angar-Rylla Homeworld/Darashal 

Angar-Rylla Homeworld/Darashal -> Alternate Earth

Alternate Earth->The Demon Webs

The Demon Webs-> Sortiarius

The Nexus of Worlds-> Everywhere
The Halls of Dreams->Apparently everywhere as well