Arc Bolt

You hurl a charged arc of lighting at a creature or object within range. Make a ranged spell attack against the target. On a hit, the target takes 1d10 lightning damage.The lightning ignites flammable objects hit by this spell that aren't being worn or carried.

This spell releases additional arcs that can be directed at the same or different targets, dealing 1d10 lightning damage per arc. When you reach 5th level (2 arcs), 11th level (3 arcs), and 17th level (4 arcs).