For the short time the gates were active, it let people of Nana gain access to different parts of their world, the humans were able to see other races different from their neighbors.
The gates were also connected to the underwater kingdom letting the murlocs, sharkmen to gain access to the surface world.
The gate was open and free for just one year, leading to cultural exchanges, some humans even changed location and home, preferring to live in a new continent rather than their own.
While the gates brought a lot of good things with it, it also came with the bad, as some humans with bad intentions took advantage of the gates to steal, attack other humans who looked different from them.
The incident brought the attention of the demigods who intervened and had each gate under supervision, now depending on the part of the world it is. There are soldiers from the offspring of the gods standing guard in all of them.
