Arctic Forge
S8, E19: Four smiths must brave the frigid cold as they enter the Arctic Forge, where they will have to recreate the trusty Inuit tool, the Ulu, from steel harvested from a giant block of ice.

S8, E19: Four smiths must brave the frigid cold as they enter the Arctic Forge, where they will have to recreate the trusty Inuit tool, the Ulu, from steel harvested from a giant block of ice.