Complete these first; Earthen Echo is the final step.

1. 1
   Elder Knowledge · level 31

   Take the Titan Relic to the Elder Rise in Thunder Bluff and look for someone who can tell you more about it.

   Pick up: Titan Relic (dropped by Relic Guardian) · Turn in: Bashana Runetotem, Elder Rise, Thunder Bluff
2. 2
   Earthen Echo