Done in UltraFractal (36 layers) and edited in PShop. You can download a 1920X1080 version for 200 points!
Made this fractal as people may think I forgot how to make realistic ones
Inspired by the book and of course by the best movie for 2012 imho - "Cloud Atlas". Haven't done fractal lightning up to the moment, but it took me only 5 minutes to adapt a formula that generates endless variations of it