Herald of Woe

Herald of Woe is a two-handed mace. It is equally valuable for paladins, druids, and shamans seeking increased stats.

Source
Herald of Woe drops off of Flamegor in Blackwing Lair. The drop rate is approximately 10%.

Trivia
Chief Thunder-Skins of The Tauren Chieftains dual wields a pair of these as "drum sticks".