This.

Matthew 12:45
Then it goes and brings with it seven other spirits more evil than itself, and they go in and dwell there; and the final plight of that man is worse than the first. So will it be with this wicked generation."

Luke 11:26
Then it goes and brings seven other spirits more evil than itself, and they go in and dwell there. And the final plight of that man is worse than the first."

by prayer.

1 Kings 17:20-22
Then he cried out to the LORD, "O LORD my God, have You also brought tragedy on this widow who has opened her home to me by causing her son to die?" . . .

2 Kings 4:33, 34
So he went in, closed the door behind the two of them, and prayed to the LORD. . . .

Matthew 17:21
Howbeit this kind goeth not out but by prayer and fasting.

Acts 9:40, 41
Then Peter sent them all out of the room. He knelt down and prayed, and turning toward her body, he said, "Tabitha, get up!" She opened her eyes, and seeing Peter, she sat up. . . .

2 Corinthians 12:8
Three times I pleaded with the Lord to take it away from me.

Ephesians 6:18
Pray in the Spirit at all times, with every kind of prayer and petition. To this end, stay alert with all perseverance in your prayers for all the saints.

James 5:15
And the prayer offered in faith will restore the one who is sick. The Lord will raise him up. If he has sinned, he will be forgiven.

fasting.

Daniel 9:3
So I turned my attention to the Lord God to seek Him by prayer and petition, with fasting, sackcloth, and ashes.

Acts 14:23
Paul and Barnabas appointed elders for them in each church, praying and fasting as they entrusted them to the Lord, in whom they had believed.

1 Corinthians 9:27
No, I discipline my body and make it my slave, so that after I have preached to others, I myself will not be disqualified.

2 Corinthians 6:5
in beatings, imprisonments, and riots; in labor, sleepless nights, and hunger;

2 Corinthians 11:27
in labor and toil and often without sleep, in hunger and thirst and often without food, in cold and exposure.