Board Thread:Question and Answer/@comment-25474331-20151123054653/@comment-25474331-20151123062131

Zitao wrote: They're called "bonus areas".

I don't think anyone has ever discovered their true time limit, but I believe it is around the same time as WG (~30mins) give or take, based off of my own experience and what other players have speculated. And it is for every upcoming events(The watcher in the sky, etc.)? Thanks for the previous reply.