Castiel's dramatic entrance causes the lights to go haywire.
Electromagnetic Interference is an ability, or a side effect of a supernatural entity's presence that causes nearby electronics to malfunction.
Species with this ability
- Archangels - Raphael's arrival caused a blackout across the entire Eastern Seaboard, while Lucifer caused the lights to flicker with his mere presence at the Elysian Fields Hotel.
- Angels - Angels' true forms counteract electronics. When Angels first appear in vessels, or sometimes when they're near electronic equipment, they can cause lights to flicker, spark, or explode.
- Demons
- Ghosts
- Soul Eaters
Characters with this ability
- Azazel - His presence caused lights to flicker, electronic devices to go haywire and clocks to stop. He could also do this at will, and used this to try and fool Dean into giving him the Colt, by making him think he was coming.
- Pestilence - Pestilence's face on a security monitor was always masked by static.
- Famine - His presence caused lights to flicker, but his anger made them explode.
- Fairies
- Reapers
- Eve
- Soul Eaters
- (USE FOR GOOD INTENTIONS)