Go to Shadowfang Keep and obtain the Silverlaine Family Sword from Baron Silverlaine, 5 crates of Moonsteel Ingots, and 5 Deathless Sinew.
From your earliest days, <name>, your trainers identified you as a natural talent. Your rapid progress and dedication have made you an example.
In recognition of your service, King Wrynn has commissioned the royal armorer to forge a special weapon.
Legend has it that the cursed Shadowfang Keep in Silverpine Forest is home to a variety of materials that you will need. Travel there and find the lost Silverlaine family sword, a supply of moonsteel ingots, and sinew from ghouls and geists infesting the keep.