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Oh you can do that apparently, but your home server decides what WvW you're in

At the moment I think so (at least someone told me so)
but in the future you will have to pay for it (don't know how long it will be free)

If anyone wants to join a guild, me and a couple of friends have started a guild on Aurora Glade called World Order.
Its a guild that will probably be mainly about WvW and sPvP though we'll probably...