Chromatic Bubble

You hurl a bubble of energy at a target within range. 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. On a hit, the target takes 3d8 damage of the chosen type.

On a hit, the orb leaps to a different target of your choice within 30 feet of the target. Make an attack roll against the new target, and make a new damage roll.

Using a Higher-Level Spell Slot. The damage increases by 1d8 for each spell slot level above 1.