Holy water has long been a powerful sacramental used by Christians. St. Teresa of Avila attested that “from long experience I have learned that there is nothing like holy water to put devils to flight.”
I showed you several examples in the NT where demons were cast out in the name of Christ.....not one used "holy water".
It is a later development of Roman Catholicism not attested to by Scripture.
I don't know if you've read her writings....she's has some very Gnostic tendencies....four degrees of prayer????
God doesn’t always use water. Sometimes He uses mud!