User blog comment:B214/Volume 23 discussion blog/@comment-201.215.165.7-20170603224414/@comment-31137559-20170603233410

The thing is that the major powers of each faction are sealed in there with Trihexa in order to kill it eventually. And they can bring world-class destruction to Trihexa without affecting the human world itself. Trihexa isn't impossible to kill although it is very difficult.