@Wika I don't think there should be such a gate in the first place. Make it into an event or a timed thing that pops randomly somewhere, like a rift. And make it trully random, as in it could be either in the middle of nowhere or could be spawned in a guild controlled city. Or just random dude's house in the wilderness.
I would say that while this would be inconvenient, it would truly make this an anticipated event, since that's the time the worlds would collide and massacres would ensue. People would wait for such a thing.
