The Rattle of Bones (Alliance)

Objectives
Give the Rattle of Bones to the at Darkcloud Pinnacle in Thousand Needles.
 * The Rattle of Bones (provided)

Description
A tauren rattle lays here, exuding supernatural power. It's keepers slain, the artifact is undefended.

Perhaps the sentinel will have some insight into its significance?

("Perhaps the sentinel will have information concerning the Rattle of Bones?")

Rewards
You will receive:

Progress
That's the fabled Rattle of Bones, !

Completion
It's true then! What is it doing here, though? And if it's here, that must mean that the writ and the drums are also nearby!

Maybe there's some link between it and the wind serpent that just appeared? I think that I've an idea what that creature is as well.