Complete these first; The Only Good Brinescale... is the final step.

1. 1
   The Vile Reef · level 37

   Bring a Tablet Shard to Kin'weelay at Grom'gol Base Camp.

   Pick up: Kin'weelay, Grom'gol Base Camp, Stranglethorn Vale
2. 2
   The Gurubashi Legends of Old · level 40

   Use the hide and charcoal to make a rubbing of the Third Troll Legend tablet.

   Pick up: Kin'weelay, Grom'gol Base Camp, Stranglethorn Vale
3. 3
   Enemies in the Water · level 37

   Gather 10 Brinescale Tridents from Brinescale Skirmishers.

   Pick up: Commander Aggro'gosh, Grom'gol Base Camp, Stranglethorn Vale
4. 4
   Locating the Lost City · level 40

   Explore just west of the Vile Reef and find the cavern entrance, then report back to Kin'weelay.

   Pick up: Kin'weelay, Grom'gol Base Camp, Stranglethorn Vale
5. 5
   The Only Good Brinescale...