World of Warcraft – Wrath of the Lich King

World of Warcraft - Wrath of the Lich King

Unlock Death Knight:
--------------------
Submitted by: RM

In order to unlock the Death Knight hero class, simply level
a hero to level 55. After doing so you will be able to make
a Death Knight character on any realm you want. Although,
you are limited to one per realm.