Inside the mountains surrounding the lava depost is the interlocking ice mines. Made hundreds of years ago and recently rediscovered, its being explored and mapped out. A race of ice dwarves used to live in there trading with the surface folk, but their cave has collapsed on them and they were never heard again. In the ice mines you can find all of the natural resources, but deep in the unexplored caves is a speacile type of ore that can only be found in the ice mines to make special wepons armour and other things