The vendor Ironos Coldsteel is a vendor that can be found in Eon’s Fringe, after completing his questline. He sells several Blacksmithing patterns and cosmetic items, including a mace transmog for casters!
A Guide to Eon’s Fringe – Time Anomalies in Patch 10.1.5
Ironos Coldsteel
Ironos Coldsteel was originally a vendor that could be found in Ironforge.