After the Battle of Thraag, in which the White Dwarf slew 10,000 Warriors of Chaos to rescue the foolhardy Ungi No-Chance and his folk, a single scale of armour was found clenched in the teeth of the Lord of Chaos. It was forged from a metal totally unknown by the Dwarf folk. The Runesmiths were completely mystified and called it Glimril, believing that it had been forged by the Ancestor Gods themselves!