Can confirm this in ny Singleplayer game. I was just about to report this myself, thanks @Darkzombie. But it is not only that he has no spoken dialogue, but no written dialogue either. This is a tremendous shame, as I have always loved hearing some lore and background from the various trainers about their religions. Let us hope that Harpagus the Hatcher is able to overcome vocal cord challenges and preach the wisdom of Zath to the people of the Exiled Lands.