Matthew 17:21
But this kind does not go out but by prayer and fasting.
Mark 9:29
And he said to them, This kind can go out by nothing but by prayer and fasting.
1 Kings 17:20-21
And he cried to Jehovah and said, Jehovah, my God, hast thou also brought evil upon the widow with whom I sojourn, by slaying her son?
Daniel 9:3
And I set my face unto the Lord God, to seek by prayer and supplications, with fasting, and sackcloth, and ashes;
Matthew 12:45
Then he goes and takes with himself seven other spirits worse than himself, and entering in, they dwell there; and the last condition of that man becomes worse than the first. Thus shall it be to this wicked generation also.
Acts 13:2-3
And as they were ministering to the Lord and fasting, the Holy Spirit said, Separate me now Barnabas and Saul for the work to which I have called them.
Acts 14:23
And having chosen them elders in each assembly, having prayed with fastings, they committed them to the Lord, on whom they had believed.
1 Corinthians 7:5
Defraud not one another, unless, it may be, by consent for a time, that ye may devote yourselves to prayer, and again be together, that Satan tempt you not because of your incontinency.
2 Corinthians 11:27
in labour and toil, in watchings often, in hunger and thirst, in fastings often, in cold and nakedness.
Ephesians 6:18
praying at all seasons, with all prayer and supplication in the Spirit, and watching unto this very thing with all perseverance and supplication for all the saints;