The Definitive Guide to images for dice
With that said, I'd personally go with Fighter as being a key class (because it's the Warforged fav' course). You can find potions and heal Commonly (unless you go Juggernaut later) and In case the Wizard inside the bash get some fix spell, you don't need to get any degree in Artificer.The innate Strength of your Goliath lets them to be great melee