A transient ischemic attack (TIA) occurs when blood flow to a part of the brain stops for a brief time. A person will have stroke-like symptoms for up to 24 hours.
Aethertopia is perhaps the most ambitious, outrageous, and unique event to ever hit the fan market.
Ectoplasm is a tar-like substance that only appears when encountering a very active and angry ghost. The ghost has to be very angry for ectoplasm to appear. It also gives off high EMF. The Winchesters have seen ectoplasm before the events of No Exit, only once or twice. This proves that this supernatural phenomenon is rare.