Zaishen Signpost

They offer daily a different quest.

Signposts

 * Zaishen Bounty Signpost
 * Zaishen Combat Signpost
 * Zaishen Mission Signpost

Location

 * Battle Isle
 * Great Temple of Balthazar

Trivia
Signposts were added in the 4th birthday update on April 23rd, 2009.