"Resist the devil and he will flee from you. Draw nigh to God and He will draw nigh to you" (James 4; 7-8); "The devil, as a roaring lion, walketh about seeking whom he may devour: whom resist steadfast in the faith" (I Peter 5: 5-10) - see also Ephesians 6: 10-18 and 2 Corinthians 10: 4-7).
If one wants to have power with God and exercise unlimited authority over all the powers of the devil he must first to learn that such is possible and that it is the will of God according to the Bible.
According to the following short list of promises from God, and so many others, no believer is to be limited in getting for himself and others the provision for everything he needs in this life and the life to come.
Overcome all sin - Matthew 1:21, Eph 1:7, Romans 6: 1-23
Cast out Demons - Mark 16:17, Luke 24:49, John 14:12
Heal those prayed for - Matthew 4:23-24, 8:16-17, Luke 4:40
Raise the dead - Matthew 10:1-8, John 11, John 14:12
Destroy the works of Satan - John 14:12, Acts 10:38
Exercise authority over the Devil - Luke 10:19, 24-49, Acts 1:8
And there are so many other scriptures that prove believers should be living triumphant lives in Jesus Christ.
How is your faith today? - can you and have you moved the mountains in your life?