Zoldark the Unholy/Zaishen Quest

Summary

 * Kill Zoldark the Unholy in the Vloxen Excavations.
 * *BONUS* Kill Zoldark the Unholy in Hard Mode.

Dialogue
Kill Zoldark the Unholy in the Vloxen Excavations.
 * Accept: "I can do that!"
 * Reject: "No, I'm way too busy today."