B.F.F.C

Created by Taragon Industries, this is a one-of-a-kind prototype shoulder launcher.  It has two firing modes:

Force Ballista: Make a ranged spell attack, originating from the cannon, at one creature or object within 120 feet of it. On a hit, the target takes 3d8 + DEX force damage, and if the target is a creature, it is pushed up to 10 feet away from the cannon.

Dragon's Breath:  The cannon exhales a force wave in an adjacent 15-foot cone that you designate. Each creature in that area must make a Dexterity saving throw against your spell save DC, taking 2d8 + DEX force damage and being knocked prone on a failed save or half as much damage and getting pushed up to 10 feet away from the cannon on a successful one.

Mortar: If this firing mode is selected, you are unable to move for the rest of your turn. The cannon launches an explosive toward any accessible location within 120 ft.  Each creature within 15ft of that location must make a Dexterity saving throw against your spell save DC, taking 1d8 + DEX force damage and being knocked prone on a failed save or half as much damage on a successful one.

Note: You may spend a bonus action to switch

Notes: Damage: Force, Must have proficiency with Martial weapons and have a minimum of INT 10