I've seen a lot of Christians screaming and shouting (sometimes into a "possessed" person's ear) when casting out demons/performing deliverance. Matthew 11:12 is always cited as inspiration for this. Can demons be driven out in a less "dramatic/scary" manner?
Matthew 11:12
AMP - 12 And from the days of John the Baptist until the present time, the kingdom of heaven has endured violent assault, and violent men seize it by force [as a precious prize--a share in the heavenly kingdom is sought with most ardent zeal and intense exertion].
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