From a real life standpoint you can always add in different elements to cause a reaction for another color. Or it can be a coating over the true blade to not compromise the strength of the blade itself.
Renn Faire Blacksmith demonstration for the win!
Renn Faire Blacksmith demonstration for the win!




![[Image: hpThOka.png]](http://i.imgur.com/hpThOka.png)
