So Shellfire is added to RoB!!
But there are still species that need to be added:Grim Gnashers,Slitherwings,Eruptodons(Rare version),Luminous Kryfin(Legendary dragon),Windwalker(Rare version),Flame Whipper,Mudraker,Silver Phantom,Devilish Dervish and Stinger.
Dragons from httyd 3 should be added to game after third movie.