Same events and same achievements next year?
If it’s like GW1 some will be the same, some will be different.
Odds are the horns from the gem shop (the free one) will not be available next year but there will be a different one in its place.
Costume Brawl will most likely return – the max achievement rank requirement of 150 and the fact that it’s in the social tab, not the special event tab, is good evidence.
I would not be surprised if the stuff in the Special Event tab is exclusive to this event; but wouldn’t bet either way.
I could be wrong, but I think costume brawl will actually be available year round.
Costume brawl seems like they could leave it and just add more costumes that are sold at other events at the year only(like christmas)… and then the halloween ones next year again.
Pumpkin stuff seems like they could leave this and offer the same achievement again next year. Maybe some events like the Scavenger Hunt seem more like something that could get changed – to make it still interesting next year for people that have completed it this year. Like stuff giving same achievements but a bit different in gameplay or other events that lead to that achievement. (Or maybe same halloween title – only 1 title and not every year a new one – and different sub achievements connected to different events).