The Dwarves do not worship as we do, honoring only Kha'taal who created them, and their ancestors, who protect them in battle. And the Dwarves see much in the way of battle. The Orcish tribes attack their borders in cyclical waves, retreating every winter and advancing at the first thaw. For now, aided by the Empires reinforcements, the Dwarves hold the Orcs in a kind of equilibrium.
The Dwarves do not leave their homelands often, as they need every body that can hold an axe in battle to fend off the Orcish hordes, but Humans often travel to the Dwarven Holds to trade with them raw materials and supplies for the fine weapons and beautiful art works produced by the skilled dwarvish craftsmen.