Chromatic Enchantment

You touch a weapon of choice granting it 6 Elemental charges.  choose acid, cold, fire, lightning, poison, or thunder for the type of orb you create, and then make a ranged attack or melee attack against the target. If the attack hits, the creature takes 3d8 damage of the type you chose. weapon loses enchantment once all charges are used, or concentration is lost.

At Higher Levels. When you cast this spell using a spell slot of 5th level or higher, the damage increases by 1d8 for each slot level above 4th.