The twins' group appeared in the middle of an enormous city a second later. All Great Void Shifters in that Starway were working perfectly fine. That means everyone on the other side of the Great Void Shifters knew that their Shifter could bring them directly to the Werdlem Imperial Palace.
With such knowledge, anywhere these Great Void Shifters existed was considered one of the most important places in their own regions. It is obvious that big cities would develop around them, the Werdlem name acting as the main factor for immigration.
The Formations Masters watching over the shifter were taken aback when they saw a Black Tunnel appearing out of nowhere. That wasn't how Great Void Shifters should work, and they hadn't activated their Shifter to start with.
