Light's Heart is the sentience core of the naaru prime Xe'ra sent as a last resort by High Exarch Turalyon who battles on Argus, to be handed to Prophet Velen. It fell from the Felstorm along the coast of Suramar, in the Broken Isles.
The Order of the Silver Hand witnessed the event and informed Archmage Khadgar, who then tasked order leaders with recovering it before the Burning Legion did. It has since been kept safe in a class order hall.
Unlocked by the , Xe'ra communicates through it with the order leader in order to provide insight into the history of Illidan Stormrage. She revealed that Light's Heart was to serve as the vessel for Illidan Stormrage's rebirth. After Illidan's soul was put into a prism to keep it safe, it was brought to Light's Heart where the prism was "seemingly consumed". Light's Heart, with Illidan's soul inside, is then brought to Khadgar with instructions to call forth the vessel's power when Gul'dan attempts to summon Sargeras, thus releasing Illidan's soul into his body before Sargeras can possess his empty shell.
I am Xe'ra, one of the first naaru to be forged here during the great ordering of the cosmos.
- I would like to witness the fall of Illidan Stormrage at the Black Temple again, Xe'ra.
- Light's Heart is infused with a great deal of power, it was emanating so much power that the scouts of the Order of the Silver Hand could feel it coursing through their body as it cut a swath through the Felstorm. Lord Maxwell Tyrosus himself felt an incredible surge of power as it appeared above the skies, before it vanished beyond the horizon.
- When the Netherlord of the Black Harvest places Light's Heart in Dreadscar Rift, a Dreadscar Archivist will react with extreme confusion and disbelief at their choice to keep it there.
After unlocking the first two Class Hall champions:
- (paladin only)
- (requires level 110)
- (requires Artifact Knowledge level 2)
- (requires Artifact Knowledge level 5)
- Patch 7.0.3 (2016-07-19): Added.