Find a handle for the mace; an uncommon auto-update from skeletons in The Thundering Steppes.
Find something to make a ring for the chain; interact with a rock for starfall in a crater southeast from Qeynos Tower 3 at ( -475, -12, 252 ) /waypoint -475, -12, 252. It can be found near Miner Mallus
Get chain-links from killing 25 giants in The Thundering Steppes. Firerock Giants are numerous in the southwestern part of the zone, especially around Crater Mine at ( 525, -17, 1000 ) /waypoint 525, -17, 1000. The skeleton giants in The Valley of the Ancients update as well.