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Not to mention all the unanswered mysteries Kalos left us with. It was why at the time I was so certain a Z/ZXZY would be a prequel, or that the next generation would connect with Kalos.
As a reminder, here's what I can remember off the top of my head. Couirway Train Station, said to link to another region. Couirway a town said "to connect differences" or some sort. Uh, something about the back of the time table in Lumiose train station. Some other stuff too I think, but I can't remember. I had a whole fucking article back from early 2014 detailing the possible future after XY, but that website is dead now.
