Mercurial maul
Type
Cost
150 gp
Weight
15 lbs
Damage Type
Bludgeoning
Damage Die
2d6
Range
Melee
Properties
Breaker
Two-Handed
Rare
Heavy
The liquid metal inside of the shaft and head of this weapon makes it difficult to wield but all the deadlier in expert hands. The minimum result on a damage die rolled with this weapon is a 2.
Source