Named for the clan which first invented the substance, Steel-butter is an oily, viscous salve that is a rarity to find in the present day, as the exact formula for its creation has been lost with the sacking of Steelbutter Hall by ravenous hordes of Gwulon warriors nearly five centuries ago.
'Rancid' Steel-Butter, Iron-cream, ---poor substitutes and derivations of the original, often more dangerous than beneficial
The process began with the milking of Dokthe cattle, miniature cave-aurochs. The livestock's diet is heavily based on iron deposits and other minerals. The churning process was kept a great secret by the Steelbutter Clan.