On their way to reclaim lost treasures, a Tomb King and his army encountered a Dwarf Throng as they were crossing the the grey mountains. Not allowing them to pass freely, the Tomb King prepared for war. The battlefield contained forests, a chapel used by the Border Princes and impassable rock terrain. The tomb kings had the mobility advantage but the Dwarfs had corner the Tomb King army, not leaving much space for it to move around. It was midday when the battle commenced...
http://www.livewaaaaagh.com/home/2017/1/7/live-from-the-old-world-ep-7-dwarfs-vs-tomb-kings