Witch Bolt

TIME: 1 Action
RANGE: 30 ft
COMPONENTS: V, S
DURATION: Concentration < 1 min
EFFECT: Ranged spell attack deals 1d12 lightning damage and on each of your turns,
use action to auto-deal 1d12 damage. Ends
if you do different action, or lose sight. Overpower: +1d12 initial damage / level