It is believed that this highly manoeuvrable squid uses bright flashes to disorientate potential prey. Zhang uses his sorcery to disorientate Wang and kill him. More recently, flashlights with a strobe function, used for signalling or to disorientate were introduced. This was designed to disorientate the audience, throwing them into an unexpected nightmare. It also helps disorientate the abused and makes the abused more dependent on the abuser.