Go to the Howling Vale and study the Tome of Mel'Thandris, then return to Sentinel Melyria Frostshadow at Forest Song.
-Tome of Mel'Thandris
Though we have put many resources and much effort into driving the remaining demons from the Felwood to the north, our successes have been few. We have been able to keep much of the demonic presence from Ashenvale.
To the north, near the Felwood border, the ruined shrine of Mel'Thandris has been overtaken by mysterious wolf-men. Their chilling calls have led the area to be known as the Howling Vale. The Tome of Mel'Thandris kept at the shrine may shed some light on why these wolf-men have come.
The Tome of Mel'Thandris works in strange ways. The events it records, the events it shows... No one truly understands why it does what it does.
Nonetheless, it is clear that what Priestess Starsong received--this Scythe of Elune--bears further investigation.