Battle damaged necron heads

Necrons are supposed to look like they have been walking for sixty million years, and pristine chrome skulls rather undercut the point. This is a set of variant heads that puts the wear back in, with battle damage in the expected register: cracks, dents, plating sheared away, the marks a machine picks up when it has been shot, buried and resurrected more times than anyone bothered to count. Nine variations means a warrior line that does not parade around wearing nine identical faces. Head swaps are the cheapest conversion in the hobby, and on skeletal androids they change the character of a whole squad, one unit fresh from the tomb and another dragging itself back together. For a grimdark force where the robots are meant to look ancient and half-broken, this is the bit that sells it.