I thought the description for the ability on the site said that Water Compaction gave a Water immunity but I just re-read it and it doesn't. In that case, I don't see much reason to use it over, say, Gastrodon, unless being able to wall things like Terrakion based on typing is important. also, Clefable isn't a valid comparison at all lol. Clefable has a godly movepool, two of the best (cont)