Arcane Blast

You instantly blast a target creature or 5 feet wide space with pure magical energy. Make a ranged spell attack, on a hit, the target takes 2d12 force damage. This spell deals additional damage equal to your intelligence modifier. Creatures hit with this spell take an additional 1d6 force damage whenever they are hit with an Arcane spell again within the next minute.

This spell is an Arcane spell, and is this part of the Arcanomancy school.

At Higher Levels. When you cast this spell using a spell slot of 3rd level or higher, you deal an additional 1d12 force damage.