Call of Fate
The fact Zapdos' Hidden Ability changed from Lightningrod to the underwhelming Static grinds my gears. The Legendary Beasts didn't need Inner Focus as HA, either.
When the snow plows come through shortly after I shovel the drive way it gets me pretty mad.
Heavy Balls not being able to capture the Tapus and Beldum in Sun and Moon due to negative catch rate. It would've been nice to see Beldum in a Heavy Ball though but at least it's fixed in USUM.
Hold up, negative catch rates exist?!
Find a wild Graveler, attack it, discover it has sturdy, it uses self-destruct...
I'm also convinced that Acid Spray only exists as a move to make wild tentacool even more annoying.
Typical, one of the only times that Pokemon doesn't have an "are you sure" screen is naming the rival in Crystal. Now I have to play through the entire intro sequence again because I was button mashing and named my rival AAAAAAAA. Thank you for nothing Scary Game Squad.
Cresselia is female and Darkrai is genderless. That always irked me. They're supposed to be counterparts of a sort. Why does one get to have a gender and another doesn't? It feels uneven. It also feels uneven that you can catch one and the other is only an event