Location: Vale of Anduin, at Blackhatch
Quest: According to some Tolkien website the regions are in those directions. Forostar north. Orrostar east. Hyarrostar southeast. Hyarnustar southwest. Andustar west. Mittalmar center.
“Look star” in the room reveals a map with the texts: N E SE SW W C in the directions nort, east, southeast southwest west and center. You have to push the stake with the right region to the right spot. So for instance if N is in the southeast you have to push Forostar to the southeast.
You need a palantir from the Death Knight to get the reward
Reward: A star charm - an evil eff vs lightning item