Take the Crimson Crystal Shard to Earthbinder Galandria Nightbreeze at the Cenarion Post in Hellfire Peninsula.
You should take the crystal lump over to the earthbinder. She's just like you... always needing to get to the bottom of a mystery and thinking all of the time.
If you ask me, she thinks a little too much.
Just give it to her and I'm sure that she'll get you into a heap of trouble figuring out what is going on up there on the ridge.
Also, you get: 30
Is that a piece from the giant crystal shard up on Fallen Sky Ridge?
Oh, excellent! I've been waiting to get my hands on a piece of that thing, but Tola'thion's been dragging his feet.
He's supposed to be out here helping me to investigate what's going on up on Fallen Sky Ridge. Instead he's just been sending poor dupes like you - no offense - up there into the slaughter mill.
If you give me the crystal maybe I can find a link between it and the colossi.
Upon completion of this quest you will gain: