Find a handle for the mace, uncommon autoupdate from skeletons in Thundering Steppes
Find something to make a ring for the chain. This is a Rock for Starfall in a crater near the Southeast Tower at ( -475, -12, 252 ) /waypoint -475, -12, 252. It can be found near Miner Mallus. Rightclick for Update.
Get chainlinks from killing 25 Giants in Thundering Steppes. The skeleton giants in The Valley of the Ancients update as well (below the bridge leading from griffon fields to giant area).