The [[Living MetalNecrontyr]] originally invented '''living metal''' for use in constructing their ships. It is a metallic substance that appears to grow and heal as if it were part of a living organism. It is most often associated with the skin of the [[C'tan]] as well as the bodies of the [[Necrons]] and their [[We'll Be Back|amazing regenerative abilities]], although the . The hands of [[Ferrus Manus]] were also said to be made of [[Living Metal]]living metal.  A small class of weapons, known as [[C'tan Phase WeaponsWeapon]], s are also thought to utilize [[living metal]]; these . These are usually potent close combat weapons, but when they come into contact with the [[living metal]] hide of a [[C'tan]], they are sucked from the hands of their wielder as if the [[C'tan]] is reabsorbing a part of its body.