Lorent

Honestly, why not make it that that if you have mithril which should be rarer than Iron you can research the ability to use it, and each round you stockpile an amount of the resource and as long as you have it stockpiled and researched you can use it, and by research, one to mine it, another for armor etc. That way if you find it early you can start mining it, even if your economy is not up to building such units yet. That way geographic luck play in, as well as your decis