CANNONBALLLLL!

As a bonus action, you may conjure a large cannon infront of your PC, once fired, the cannon will fire a large rounded shell that spans 5 feet, if struck by the cannon shell, the target will take 5d8 of bludgeoning damage, this attack bypasses armorclass, and sends the enemy struck flying back 20 feet, taking an additional 1d10 of impact damage


At level 5, you conjure two cannons instead of one