Though Dwarves are legendary smiths first and foremost, their artisans are learned in many disciplines beyond the forging of metal. Alchemists, in particular, are wide-spread and valued. After all, someone has to work with the wealth of arcane materials that are available beneath the Mountains of Despair.
These fighters are just as tough as their more traditional warrior brethren, however! They might lack heavy armour and oversized axes, but they can use alchemical concoctions to gain an edge in battle instead!