How to Craft Hardened Steel in Conan Exiles Keep reading to learn how to assemble the right resources to create hardened Steel for your character. But Hardened Steel is definitely the next area to make good use of all those Iron bars. Then, the possibilities become endless, especially with options to evolve Iron into Steel. Wood gives the warrior the jumping start for their survival until they move onto Iron. Steel is tough, there’s no doubt about that, and in the world of Conan Exiles, possessing the element can be advantageous in many situations.