Lurid

Lurid is a minion of Thassarian, that he raised from the corpse of a soldier of Unit S. He accompanied his master to The Wailing Ziggurat and later to Naxxanar, where he was destroyed but Thassarian raised him once more.

Cataclysm
Lurid is killed during the Battle for Andorhal. His body remains in the final phase of the area. It is unknown why Thassarian let his body there and did not raise him once more.

Quests

 * War Machines (Alliance)
 * Ace in the Hole
 * Andorhal, Once and For All

Quotes
Lurid starts off by saying one of the following:
 * Master... you want... I kill puny priest? Make painful, yes?
 * You worship death, little man? Death is here!
 * Yes, weakling... beg Lurid for life!

Isidorus responds with one of the following:
 * Please... all our orders come from Naxxanar... me and my men are kept in the dark!
 * Mercy! You were once with us! Do you not remember?
 * I beg you, death knight! Keep your minion away from me! I'll do anything

If a hostile mob gets too close, Lurid says one of the following:
 * It's about time! Lurid was getting bored.
 * You Arthas lapdog? You die!
 * This not... end well for you!