Take Brann Bronzebeard's Letter to Bronzebeard's Encampment in southern Silithus.
Provided Item:
Description
To Whom It May Concern:
If you're reading this, I'm either dead or soon to be dead. It's hard to say. Most of the crew is dead anyhow.
Found information about a Titan. Great battle between him and an Old God. Yes, a bona fide Old God. Found ancient tunnel leading to Ahn'Qiraj. Taking it.
Take this letter to my old camp. Make sure my monkey is getting adequate food, water, and hugs.
-Brann Bronzebeard, Explorer Extreme
P.S. Watch out for crazy Old God worshipping night elf.
Reward
You will receive:
Progress
Oh dear.
Completion
Well this explains a lot. If you ever find a way into Ahn'Qiraj, keep an eye out for ol' Brann. I'm afraid that he'll be powerless without his monkey.
Gains
Upon completion of this quest you will gain:
Additional Information