<http://schema.org/description>
"Nefarian is the eighth and final boss of Blackwing Lair. He was particularly notable back in the day for his class calls, so much so that when Blizzard added death knights to the game, they went back and added a class call to Nefarian as a tribute."^^<http://www.w3.org/2001/XMLSchema#string>
<http://www.wowhead.com/npc=11583/nefarian>