Crackle

You create three arcs of lightning strikes target in range. You can direct them at one target or several. Make a ranged spell attack for each arc. On a hit, the target takes 1d12 lightning damage. If three or more arcs hit a single target, they must make a Constitution saving throw or lose their reaction and become incapacitated until the start of their next turn.

At Higher Levels. When you cast this spell using a spell slot of 3rd level or higher, you create one additional ray for each slot level above 2nd.