Fasting and prayer is inevitable for any serious Christian. Prayer is not a preparation for the battle, Prayer is the battle Fasting is defined as abstaining from food in order to focus on prayer and fellowship with God. the battle and fasting is the most effective way, to enhance the power and focus of prayer.
You can go a certain distance in the things of God, and experience many things, without fasting much, but the highest, richest and most powerful blessings always go to those who fast and pray regularly. Through fasting we receive spiritual cleansing and our spiritual eyes are opened, and we also obtain victory over the devil. When Jesus encountered Satan, He was able to overcome Him because His fasting had given Him spiritual strength.
Fasting looses the bands of wickedness. When we fast, we loose the bands of wickedness, undo the heavy burdens, set the oppressed free, and break every yoke of the enemy. Fasting is an important key to getting the victory over hard situations that do not seem to respond to normal prayer. (Isaiah 58:6)
Fasting cuts out the world so we can tune into God. It is a means of bringing the flesh into submission to the Lord so He can strengthen us in our mastery over our flesh and increases our desires of spiritual matters. Fasting makes us stronger to stand against the temptations of the flesh. Fasting calls us to redirect our attention back to the things of God and His leading
Fasting aids greater discernment of good and evil. In fact, a greater sense of discernment is a major by-product of fasting. Many of the things we see around us daily that appear normal to us, will often appear different when fasting as your sense of discernment is heightened at this time. And in today’s spiritual atmosphere, it is of utmost importance to be able to discern what is good, evil and what is masked to look good but is actually leading to evil.
Jesus himself fasted and spoke the word of God to overcome Satan in the wilderness. (Luke 4:1-14)
Regular Fasting and prayers would help take our eyes off the things of this world and focus our thoughts on God. As the battle with the enemy often starts in the mind, fasting would help discipline the mind and bring the thoughts under subjection and submission to the thoughts of God.
King Jehoshaphat declared a fast in all Judah when they were about to be attacked by the armies of Moab and Ammon. He stood in the house of the Lord in the congregation of Judah and Jerusalem and prayed to God. After the prayer, the Spirit of the Lord came upon Jahaziel the prophet and he prophesied victory to Judah and Jerusalem. (2 Chronicles 20:15-17)