[MW Batch Bonus] Bubblebasher

Weapon (Maul), Very Rare (requires Attunement)

Component: Fiend (demon) bone

Between blowing streams of iridescent bubbles and sliding at risky speeds on a trail of slippery oil, this hefty hammer lets you bring some of the innocent fun of childhood into brutal, bloody combat. Is it something anyone asked for? No. Can you do it anyway? Yes!

You gain a +1 bonus to attack and damage rolls made with this magic weapon. The weapon has 4 charges and regains all expended charges daily at dawn.

Spin to Win. As an action while holding this weapon, you can expend 1 charge to spin it around in a deadly whirlwind, making an attack with the maul against each creature within 5 feet of you. As the weapon is spun, it creates bubbles of oil that slowly fall to the ground. After you make all the attacks, the area within 5 feet of you other than the space you occupy is covered in a layer of slippery oil as per the Grease spell (save DC 16) until the end of your next turn.

If the oil or a creature standing on the oil takes Fire damage, the oil ignites. Each creature standing in the area must make a DC 16 Dexterity saving throw, taking 3d6 Fire damage on a failed save or half as much damage on a success. After the oil ignites, it disappears.

Slip and Slide. While holding this weapon, moving into a space covered in a slippery substance like oil or ice doesn’t take any of your movement, and you automatically succeed on saving throws and ability checks made not to slip on it.

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Uncommon variant: Reduce the charges to 3, the DCs to 13, and the damage to 1d6. The weapon doesn’t have the Slip and Slide property.

Rare variant: Reduce the DCs to 15 and the damage to 2d6. The weapon doesn’t have the Slip and Slide property.