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>Ash and Clemont will shake hands and give each other a nod, promising to see each other again
>Bonnie will be in tears, hugging Serena who's probably tearing up as well, Bonnie gets a pat on the head from Ash and words of it's not the end and they'll see each other again, Bonnie hugs Pikachu
>Ash and Serena is unknown at this point
The Ash/Serena goodbye is what I'm most looking forward to because of how their relationship is being handled. I have no clue how it's going to go, but it'll probably be a really defining moment for XY.