Quest:The Firelord

Objectives
Go through the portal at the Sanctum of the Prophets and aid in defeating Ragnaros.
 * defeated

Description
With his gatekeeper gone, you've given the Guardians of Hyjal access to Sulfuron Spire.

Ragnaros will have no choice but to defend the main entryway to the Firelands himself.

Go through the Twilight's Hammer portal at the Sanctum of the Prophets and speak to Cenarius inside. and will also aid you there while  and the Ancients continue to fight the enemy outside.

Rewards
You will also receive:

Progress
Yes, ?

Completion
Hyjal has been saved,. And it's all thanks to you.