>>57894517
Yeah, everything below Stakataka is lacking major victories. Gigalith was used in early SM VGC because it got Sand Stream, so it's just diet Tyranitar. Coalossal was used in early SS with Weakness Policy + Surf Dragapult to activate Steam Engine and WP while Coalossal was Gmaxed. Terrakion was only really good in Gen 5 because Fairies fucked him over good. Stakataka was good in late SM and even won a Worlds.

TTar, Stakataka, and Terrakion are the only Rock types to ever win at Worlds.