Deepshot

Weapon (any firearm), uncommon Accompanied by a musty aroma, this magical, dark iron firearm produces a multitude of dusky mushrooms each day. Releasing a toxic torrent from each crop of toadstools, the spore-filled salvo produces effects reminiscent of the debilitating deep dragons of The Low. Toxic Shot. As an action while holding this firearm, you can release a burst of toxic spores in a 30-foot cone. Each creature in the area must make a DC 13 Constitution saving throw. On a failed save, a creature takes 5d6 poison damage and is poisoned for 1 minute. On a successful save, a creature takes half as much damage and isn’t poisoned. A poisoned creature can repeat the saving throw at the end of each of its turns, ending the effect on itself on a success. Once this property of the firearm has been used, it can’t be used again until the next dawn. Rare variant. Increase the save DC to 15 and the damage to 7d6. The item has the Sludge Shot property: Sludge Shot. As an action while holding this firearm, you can release thick, sticky sludge in a 30-foot cone. Each creature in the area must succeed on a DC 15 Strength saving throw or be restrained by the sludge. A creature can use its action to make a DC 15 Strength check, freeing itself or another creature within 5 f eet of it on a success. Once this property of the firearm has been used, it can’t be used again until the next dawn. Very Rare variant. Increase the save and check DCs of the item’s properties to 16, and the damage of Toxic Shot to 8d6. The item has the Sludge Shot and Torpor Shot properties: Torpor Shot. As an action while holding this firearm, you can release a cloud of addling spores in a 30-foot cone. Each creature in the area must succeed on a DC 16 Wisdom saving throw or come under the effect of the slow spell for 1 minute (no concentration required). An affected creature can repeat the saving throw at the end of each of its turns, ending the effect on itself on a success. Once this property of the firearm has been used, it can’t be used again until the next dawn.