Weapon (any bludgeoning) Rare (6.500 gp)
This maul crackles with the power of thunder. It grants a +1 bonus to attack and damage rolls. The Thunderous Maul reverberates with each strike, unleashing the raw force of a thunderstorm.
As an action, the wielder can expend a charge to slam the ground, creating a thunderous shockwave in a 2 sqr. (3m) radius. All creatures in the area must make a DC 14 Constitution saving throw or take 2d6 thunder damage and be knocked prone. On a successful save, creatures take half damage and are not knocked prone. The weapon holds 3 charges and recharges 1 charge at dawn.