Retroactive magic is either the most cutting edge arena of modern magical practice or the most self-delusional (or both). According to Edward Wilson: “Retroactivity is the idea that actions taken in the present or the future can affect the past and therefore the affect can proceed the cause… It creates of causation an Ouroborus or Mobius strip.” In other words an occulist can alter the past as well as the future.

Full Story: Hatch 23.