She was created at the same time with Mother after The Healer. Legend says Blacksmith was made of iron, gold, will and sapphires. Her first task was to forge the First Land into a more hospitable place.
Blacksmith is a goddess of engineering, tamed fire, pottery and hard work. Also she is a patron of gold-, and blacksmiths, engineers and generally crafts(wo)men.
Character-wise Blacksmith has no-nonsense personality and sense of humour dry as a mountain desert. She has a strong dislike for those who slack from their duties.
Yes, she lacks most part of one of her hands. Yes, there is an explanation for this buuuut I will tell you later.