Dark iron ore

Obtaining
You can loot at these locations:

You can loot  from the corpse of a:

You can buy  from these merchants:

can be crafted from these ingredients: for ? crowns by a amateur/journeyman craftman, if you have the diagram.

Using
You can sell  to these merchants:

You can use  to craft:
 * Dark Iron Ingot, or
 * Dark Steel Ingot.