Baubao Wavewrath/Zaishen Quest

Summary

 * Kill BauBao Wavewrath in the Undercity.
 * *BONUS* Kill BauBao Wavewrath in Hard Mode.

Dialogue
Kill BauBao Wavewrath in the Undercity.
 * Accept: "I can do that!"
 * Reject: "No, I'm way too busy today."