Gates of Kryta (mission)/Zaishen Quest

Summary

 * Destroy the undead in the swamp south of Lion's Arch.
 * *BONUS* Retrieve the Orrian text for the Historian.
 * *BONUS* Complete the mission in Hard Mode.

Dialogue
''Undead have risen from the swamps, forcing Lion's Arch to close its gates. Cleanse the swamp of the undead infestation.''
 * Accept: "I can do that!"
 * Reject: "No, I'm way too busy today."