I don't really have an update ready, but I don't want to do an empty bump so here goes: there's only 2 irregular trainers in Chargestone Cave (B2W2): a male cooltrainer and a female cooltrainer (better name than ace trainer). The male is the dangerous one: he appears after the long bridge that is being repaired if you enter the area too early. His is a triple battle so formations are of the upmost important. The female trainer is stationary and facing north. She's very easy to avoid but her battle is a rotation battle, so you can just solo all 3 mons if you have a someone strong enough. The other cool trainers are moving and not irregular battles.
>>58517771dangit, you beat me to it. I was busy looking for an image.
