World of Warcraft Quests involving Wailing Ancestor:
Western Plaguelands Horde Quest
All Along the Watchtowers (Horde) Using the Beacon Torch, mark each tower in Andorhal; you will need to stand in the doorway of the tower to successfully mark it.
Once all four towers are marked, return the Beacon Torch to High Executor Derrington at the Bulwark, Western Plaguelands.
The Battle of Darrowshire Place the Relic Bundle at the Darrowshire town square.
Prevent Davil Lightfire's death until the death of Horgus.
Prevent Captain Redpath's death until Redpath the Corrupted appears.
Defeat Redpath the Corrupted.
Speak with the spirit of Joseph Redpath when he appears at the town square, then speak with Pamela at her home.
Tirisfal Glades Horde Quest
The Family Crypt - (Step 4) Kill 8 Wailing Ancestors and 8 Rotting Ancestors.
Kill Captain Dargol, and bring his skull to Magistrate Sevren in Brill.