Elemental Ammunition

By channeling one of your chakra to your weapon, you are able to enchant small ammunition with the innate elemental synergies within you. All currently loaded ammunition becomes magical and may be enchanted with one of the following damage types: fire, cold, lightning, thunder, or acid. This ammunition deals an additional 1d4 damage of that type.

At Higher Levels. When you cast this spell using a spell slot of 3rd level, the damage increases to 2d4.  When you cast this using a spell slot of 5th level, the damage increases to 3d4.