To hold the flawless flame, we will need a shaft and a casing. You must first find a suitable shaft.
The Dark Iron taskmasters and slavers of the cauldron use weapons of enchanted thorium, an extremely sturdy alloy. If you bring me eight thorium plated daggers, I can break the alloy down and reforge a shaft.
You're an exceptional laborer, <name>. Have you ever considered a change of vocation? Perhaps a detective? Junk collector? Oh, I know, one of those silly gnomes that crawl across the beaches of Azeroth with their metal detecting contraptions, looking for lost treasure. Yes, that would be an ideal position for you.