You have a +1 bonus to attack and damage rolls made with this magic weapon.
As an action, you can expend one charge to slam the hammer on the ground creating a fissure in front of you. This fissure is 5ft. and 30ft in length. Any creature caught in this fissure must make a DC 16 DEX save or takes 4d6 bludgeoning damage and falls prone. On a success, they take half damage ad do not fall prone.
Proficiency with a Maul allows you to add your proficiency bonus to the attack roll for any attack you make with it.
This weapon has the following mastery property. To use this property, you must have a feature that lets you use it.
Topple. If you hit a creature with this weapon, you can force the creature to make a Constitution saving throw (DC 8 plus the ability modifier used to make the attack roll and your Proficiency Bonus). On a failed save, the creature has the Prone condition.
Notes: Bonus: Magic, Damage, Combat, Heavy, Two-Handed, Topple