Guild Wars 2

If I buy the Mistlock Sanctuary Passkey, can I also bring my group into the zone? (Or does each person need their own passkey?)

Unfortunately, every player needs their own. It’s this way with all the premium passes. I’ve tried getting a friend to join via teleport to friend and such before. You get ejected (in Mistlock, you’re booted to Lion’s Arch) if you don’t have the item on you.