“It is time we put our work to the test by infusing the most potent source of power I know of - fel magic.
Rarely, the Legion's minions will carry fragments of the greater portal stones used to usher in their eredar masters. If you gather enough to form a complete stone, you can use it in Faronaar to call forth the eredar lord Vizuul the Twisted at the Altar of End Times.
The bindings Vizuul wears to augment his power should push the Heart to its very limit.”
