Earthshatter

Earthshatter is a crafted legendary mace in Diablo III. It requires character level 60 to be used. The level 70 equivalent is the Devastator.

The special effect deals roughly 300% damage over 2 seconds to enemies around the character (not the target).

Crafting
Earthshatter can be crafted using the Plan: Earthshatter, 42000 gold, 15 Reusable Parts, 15 Arcane Dust and 20 Veiled Crystals.