Earth Splitter

Earth Splitter Magical weapon, rare, maul, 25lb Require attunement.
You have –5 to attack rolls made with this weapon.
When you attack a creature, the attack is also against every other creature within 5 feet by 20ft line originating from you that includes the target creature. This secondary attack will only apply the weapon's damage roll and any static bonus.
(Flavor) This great maul stood a head taller than most goliaths. The handle is a highly polished beam of stone with round grooves to act as a handle. On the head of the maul is a large lump of dark colored steel carved with the dwarven symbol marking it as "The Maul."