This is more of an indictment against Tera Blast than Kyurem
Ogerpon-W is easily limited by strong pivoting and priority. It dies to two U-turns and First Impression, with minimal hazard chip you can even nuke it with one U-turn. If you forced a Tera, then just bring in a Water resist. It also basically can’t switch into anything that isn’t resisted, CE into Sucker makes Ogerbroad cry. The main things that make it “broken” are issues not exclusive to it, namely
>Ivy Cudgel is buttfuckingly spammable
>Tera makes its breaking power insane
>Good STAB combination and coverage (lmao)
>Encore
All of these can also be said about Dragonite and Dragonite is arguably worse about them because of Multiscale guaranteeing the opportunity to Dragon Dance and the ability to hold an item. The only thing that kind of makes Oger broken is its Tera gimmick but that comes with the drawback of making its Tera’s insanely predictable, Tera Grass Iron Moth or Heatran just completely defecates inside of Ogerbroad’s mouth, same thing with Serperior or Rilaboom, it’s really not that hard to deal with.
About Mola, it’s always been broken, people are just starting to wake up to it. The idea that Regenerator, especially on a mon with pivot moves, is anything but unhealthy is simply idiotic. Oger and Kyurem are the only two things that can always reliably answer Mola (just like Gliscor), other special attackers have to be wary of Mirror Coat and the rare AV Play Rough, it’s basically required that you either have one of those two mons or get lucky and manage to paralyze it AND get consecutive full para turns in order to take it down, or you have a Darkrai and you manage to double flinch the little shithead AND it doesn’t start clicking Protect.