The thing is that at the moment the setup for the furnace is super neat, everything you pair together would produce something which is intuitive and does not punish "exploring" the system without looking stuff up.
Adding another option to use a bar with some additional metal to create yet more advanced metals ... i can only see issues with this and would just lead to more power creep ... although its hard to tell since we are not really testing PvP.
What the game could honestly use would be like a middle tier medium armor between hide and the chain-mail that could be like leather with metal plates that could benefit from both the metal attributes and the leather ones. Although at the moment items can only benefit from 1 material anyway.
me could honestly use would be like a middle tier medium armor between hide and the chain-mail that could be like leather with
I think Chain Mail should be made into medium armor.