Damage: 1d12 + 1 poison damage.
Charges: 3 as a bonus action you can use a charge to deal +3 poison damage. 1d4 charges are regained after dawn. If the charge reaches 0 roll a d20. On a 1 the axe burst into a cloud a poisonous gas. Ever creature in a 20ft radius takes 1d20 poison damage and must make a DC 15 constitution saving throw or take additional 1d12 poison damage.
Proficiency with a Battleaxe 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: Versatile, Topple