Helm of Valor (Warcraft III)

Increases the Strength and Agility of the Hero by 4 when worn.

Source

 * Malfurion and Maiev can find one in The Ruins of Dalaran, chapter 7 of the Frozen Throne sentinels campaign, Terror of the Tides.
 * Illidan, Kael, Lady Vashj and Akama can find one in Lord of Outland, chapter 6 of the alliance campaign, Curse of the Blood Elves.

In the RPG
Though they can be decorated at the whim of those who craft them, most helms of valor are as designed by their original creators-winged blue helms marked with a white star.