>>25349649From the old Japanese event to get Celebi.
Better example would be the entire Orange Islands.
>Crystal Onix>Pink pokemon>Different patterns/designs for many pokemon like Vileplume>The entire region itself>>25349687>DLCThey're just going to do a Platinum with the form change, if they were going to do DLC/major patches they would have done so with the ORAS megas.