Have a Heart
Archmage Khadgar: Did you notice the magical barrier protecting the cave’s entrance? It’s being powered by demon crystals.
The Burning Legion has a habit of making demon parts serve as the keys to such devices.
Travel west to the Ruins of Ata’gar. Look for a powerful demon therein and bring me its heart.
I’ll project an image of myself into the ruins. You won’t have to come back here until we’re done.
Quest Objectives
Collect the Heart of Fernus from Fernus. The infernal’s heart is the key to gaining access to Gul’dan inside the Gloomspire.
Progression
Archmage Khadgar: I’ll meet you there.
Shadow Disciple: Kill the outsider!
Shadow Disciple: Time to die, (class)!
Ata’gar Warrior: Get that (class)!
(The Heart of Fernus: 1/1)
The Heart of Fernus: The heart of Fernus is the key to destroy the Fel Crystals and gain access to Gul’dan inside the Gloomspire.”
Completion
Image of Archmage Khadgar: Do you have the demon key?
A heart? How touching.
Quickly. We must use it to destroy the fel crystals and get to Gul’dan.
Return to the main hub for Frostfire Ridge (Horde Quests) in Warlords of Draenor, or continue the Gul’dan in Frostfire Questline.