If you've played Horde this expansion, then you've gotten a real in-depth look at the Prophet Zul.
There are many kinds of monks -- religious men and women who inhabit monasteries and devote themselves, for example -- but World of Warcraft Monks are a different story: chi-wielding unarmed combat specialists who can heal wounds, strike like lightning, and dazzle an enemy with seeming intoxication.
The Titan-Forged left a huge impact on the history of Azeroth.
In the distant past, Aggramar the Avenger discovered a World-Soul by sensing its powerful dreams across the vast distances of the Great Dark.
Humans in the Warcraft setting have a very distinct origin -- they were created by a curse.
Many races have at one time or another created vast empires on Azeroth.