Tons more information about the Legendary Evoker Weapon has been datamined, including information about the lore, quests and related items. MAJOR SPOILERS!
MAJOR SPOILERS AHEADHere is what we've datamined of the Legendary quest chain. It very much seems to involve the Legacy of the Dracthyr with Nozdormu being the main quest giver as he refers to the events of Legacies in the first sentence. He seems to be helping the Dracthyr reforge Oathbinder into their own using his Time Magic by researching how to forge a counterpart to Oathbinder. The Cracked Titan Gem gem we datamined yesterday makes sense as to how it starts this quest considering in the first quest text, seems to mention a «gem you've recovered». The quest still remains, how we get this gem? Is it not available yet, or maybe only available from Heroic or Mythic Sarkareth?Quest Name: Memories of an Artifact
Emberthal aided me in discovering the Oathbinder. This was the artifact Neltharion used to control you all. I have been scouring the timeline to discover how it was made to forge a counterpart to it to protect your kind. This gem you've recovered is just the key I need to move my studies forward. You and I shall next meet within Zaralek Cavern, where you once fought over the broken Oathbinder. It is there we will find the secrets to forge your own weapon to fight against tyranny.Quest Name: It Takes a Village to Make an Artifact
You must go now and seek aid to create the key components to forge a new glove. Essence of Order is normally difficult to find, but the memories you have acquired will allow you to recover them at many locations. This new glove will be one to empower your allies and your community… which means you will have to rely on others to Read more on wowhead.com