Originally posted by SquidBob:

The event will not count down if you aren't inside the boundaries of it that are marked on your minimap. It's also possible to pull enemies outside of the event boundaries.

If you are in the boundaries..."Congratulations- You've won a lifetime supply of greylings!"

Oh, well that explains the event happening often. Doesn't quite explain the number of them though. I've been playing this game since its release, never seen a horde quite like that. Don't get me wrong, it was fun as hell. Just curious if this is the new norm?