It could be that it's getting easier because we're all getting used to the amped up difficulty. We're evolving past the casual gamer of pokemon and learning how to come up with better strategies.
Well we get better, sure- but only to a point. It is obvious that Episode 15 Charolette is far easier than Episode 13 Charolette due to waaaaaaay less people making threads regarding them being stuck.The game is grttigg easier because of a combo of nerfs and an increase in player skill.
