Now that we know there's no truth to the Black Knight's stories, we must find a way to connect him to the murdered knights.
I know a way to reveal the truth about how they died, but it requires a rare material. We must gain a seer's crystal, found only among the unbound seers who congregate near night elf ruins in the Forlorn Woods in the central part of Crystalsong Forest. Find one of these seers, <name>, and bring me the crystal it holds.
Have you located a seer's crystal?
This one will do nicely. All that remains is to imbue it with the power of the Light, giving it the ability to find truth amid deception.
A will drop from any near elven ruins in the Forlorn Woods.
- Crusader Rhydalla says: Now, I will imbue this crystal with the Light's power to cut through lies and deceit.
- Crusader Rhydalla says: Grant us the ability to know the truth. If a murderer walks in our midst, guide us in our search for justice.
-  -or- 
- After reaching the rank of Champion:
- Starting in Patch 3.2.0:
Patches and hotfixes
Patch 3.1.0 (14-Apr-2009): Added