Nicrosil is an alloy of chromium containing mostly nickel, with traces of silicon and magnesium. A Misting who can burn Nicrosil is called a Nicroburst. It allows the burner to, with physical contact with another Allomancer have an effect similar to that of Duralumin on oneself. It is an external metal. A Soulbearer ferring can store Investiture, of which little is known.