Nexon Korea's next update

To me, that looks like Ereve.

Would make sense, if the boss really is Cygnus. Which is more than likely.

Just look at the ground. The only two places I can remember with that kind of ground are Leafre and Ereve. But that bush and some of the background above the tree really make me think of Ereve.

I'm going with Ereve on this one. Cause i feel like behind the blurry tree there is a gazebo/arch/dome type thing that you see in the Ereve maps.