Chroma Cannon

A spell often harnessed by military mages and sailors, You fire a 3ft-diameter beam of energy at a target that you can see within range. You choose acid, cold, fire, lightning, poison, or thunder for the type of orb you create, and then make a ranged spell attack against the target. If the attack hits, the creature takes 5d12 damage of the type you chose.

At Higher Levels. When you cast this spell using a spell slot of 4th level or higher, the damage increases by 1d12 for each slot level above 3rd.