Wild Hammer (heroic)

Source
This Two-Hand mace drops off Erudax in Grim Bato on Heroic mode. It is one of the most powerful Two-Handed weapons in the game, and one of the strongest maces.

Trivia
It shares the name of the previous occupiers of Grim Batol, the Wildhammer Clan of Dwarves. This might have been the royal mace used by the rulers of Grim Batol.