Have you come across Genesis 6:4?
Genesis 6:4 King James Version (KJV)
4 There were giants in the earth in those days; and also after that, when the sons of God came in unto the daughters of men, and they bare children to them, the same became mighty men which were of old, men of renown.
If you’re seeking the Lord, humble your heart like Brother Lawrence and God will reward your humble heart with grace. Then surrender every bondage and sin to God and turn away from sin. Use the name of Jesus to overcome every bondage and not with your own strength.