1 Corinthians 12:3
so I tell you now, that no one is speaking in the Spirit of God when he cries, 'Cursed be Jesus,' and that no one can say, 'Jesus is Lord,' except in the holy Spirit.
1 John 4:1-3
Do not believe every spirit, beloved, but test the spirits to see if they come from God; for many false prophets have emerged in the world.
Revelation 16:13-14
Then I saw issuing from the mouth of the dragon and from the mouth of the Beast and from the mouth of the false Prophet, three foul spirits like frogs ??14 demon-spirits performing miracles, who come out to muster the kings of the whole world for battle on the great Day of almighty God.