Wrenn's Ionizing Crackles (V2)

As an action you can use your knowledge of electrons and particles within molecules to your advantage, and the disadvantage of others. Choose a point within range above a space one creature occupies, you remove or add an electron from the are above that creature causing a sudden destabilization and chain reaction. The creature must make a Constitution saving throw. On a failed save the creature takes 1d12 lightning damage and become stunned until the start of your next turn, as the lightning courses through their body. On a successful save, the creature takes half the damage and is not stunned.

At Higher Levels. When you cast this spell using a spell slot of 2nd level or higher, the initial damage increases by 1d12 for each slot level above 1st.