This article contains lore taken from Warcraft III: Reign of Chaos, Warcraft III: The Frozen Throne, the manuals, and/or official bonus maps.
Increases the Strength of the Hero by 1 when carried.
Source
Arthas, Kel'Thuzad and Sylvanas can find one in King Arthas, chapter 1 of the Frozen Throne scourge campaign, Legacy of the Damned.