LazyXalien
what about electromagnetic it is one of the the four force of the world and he can manipulate atoms if done right because of electron and proton etc can be a idea for his bankai also enel devil fruit power in the base form after a full master of his shikai ( including his teleport of lighting travel because the speed of light in very fant and lighting is very hot as well ) also can nerve stimulant can make his reaction time faster so he can use shanko better.