This quest is not available in game.
Find the Glowing Gem.
As you rummage through Teronis' belongings, you find a journal that is still in good condition.
You take the journal and leave Teronis' corpse as is.
The only thing left to do is find the gem Teronis was seeking. Orendil mentioned it being in the area. Perhaps the tendrils have it...?
You will be able to choose one of the following items:
|Falathim-Washed Robes||Broadleaf Mantle|
You will also receive:
- 4,100 experience
- 250 reputation with Darnassus