If i remember correctly, the events when you have to retake the cathedrale of the gods in Orr are not on a timer like the meta events in the expansions
It makes it really hard to join in when they are being done, if you're not lucky to be on the map at this time there is no telling when the next one will be possible.
I don't know if it's technically possible (and i'd like to know if it is) but we the arrival of new players from steam, is'nt it time for these events to have an update to be on a timer ?
They are really interesting too, so it's not really about reward but more because of immersion. You are invading Orr and it feels weird to not be a part of this war like the story tells you