This
Matthew 12:45
Then goeth he, and taketh with himself seven other spirits more wicked than himself, and they enter in and dwell there; and the last state of that man is worse than the first. Even so shall it be also unto this wicked generation."
Luke 11:26
Then he goeth and taketh to him seven other spirits more wicked than himself, and they enter in and dwell there; and the last state of that man is worse than the first."
by prayer
1 Kings 17:20-22
20
And he cried unto the LORD and said, "O LORD my God, hast Thou also brought evil upon the widow with whom I sojourn by slaying her son?"
21
And he stretched himself upon the child three times, and cried unto the LORD and said, "O LORD my God, I pray Thee, let this child's soul come into him again!"
22
And the LORD heard the voice of Elijah; and the soul of the child came into him again, and he revived.
2 Kings 4:33
He went in therefore and shut the door upon the twain, and prayed unto the LORD.
2 Kings 4:34
And he went up and lay upon the child, and put his mouth upon his mouth, and his eyes upon his eyes, and his hands upon his hands; and he stretched himself upon the child, and the flesh of the child waxed warm.
Matthew 17:21
However this kind goeth not out but by prayer and fasting."
Acts 9:40
But Peter put them all outside and kneeled down and prayed, and turning to the body, he said, "Tabitha, arise." And she opened her eyes, and when she saw Peter she sat up.
Acts 9:41
And he gave her his hand and lifted her up; and calling in the saints and widows, he presented her alive.
2 Corinthians 12:8
For this thing, I besought the Lord thrice, that it might depart from me.
Ephesians 6:18
praying always with all prayer and supplication in the Spirit, and watching thereunto with all perseverance and supplication for all saints.
James 5:15
And the prayer of faith shall save the sick, and the Lord shall raise him up. And if he has committed sins, they shall be forgiven him.
fasting
Daniel 9:3
And I set my face unto the Lord God, seeking by prayer and supplications, with fasting, and sackcloth, and ashes.
Acts 14:23
And when they had ordained elders in every church and had prayed with fasting, they commended them to the Lord in whom they believed.
1 Corinthians 9:27
But I keep control of my body, and bring it into subjection, lest that by any means, when I have preached to others, I myself should be a castaway.
2 Corinthians 6:5
in stripes, in imprisonments, in tumults, in labors, in sleeplessness, in fastings;
2 Corinthians 11:27
in weariness and painfulness, in sleeplessness often, in hunger and thirst, in fastings often, in cold and nakedness.