This sister had been delivered previously but then she fell back into a sin lifestyle, specifically, drug addiction. However, she was repentant of what she had done and the Lord sent his Angels and Holy Spirit to set her free.
First we bind the strong man:
Mark 3:27 King James Version (KJV)
27 No man can enter into a strong man’s house, and spoil his goods, except he will first bind the strong man; and then he will spoil his house.
Then blast the demons. Tread all over them. You have all power over them, you can even command them to attack each other:
Luke 10:19 King James Version (KJV)
19 Behold, I give unto you power to tread on serpents and scorpions, and over all the power of the enemy: and nothing shall by any means hurt you.