Grey Zone

The Grey Zone is the mysterious area between the Map you play in and the Void. Encountering the Grey Zone will almost ALWAYS end in an.

Overview
Before the dawn of the Grey Zone, there was only the Map itself and the Void. Once you left the "map," you would instantly enter the area outside of it, and be free to roam wherever and whenever with no fear of death or time restraints.

However, to counter the increasing number of glitching attempts, Nexon implemented the so-called "Grey Zone" as a barrier between where you can go and where you shouldn't.

It basically acts as an impassable area, where you cannot see or shoot through, and it blocks you from entering any glitch areas. Getting too close will automatically kill you.