God is the King and Protector and Lord and Light and Ruler and Creator of the heavens and the earth and everything in them.
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The real battle is, of course, with your ego, you must surrender it and make it submit itself to God. By the Omnipotence and Will of God, the ego shall fully submit and give up, with some time, certainly.
But the other real battle, not for so very many, but for some, for many, is the supernatural spiritual battle with demons and dark-spirirts (may the believers and the light side utterly destroy them).
I have myself, speaking from direct experience, been attacked by them at least over 20 times, and had 2 major brutal battles with them.
The first one was with an absolutely petrifying demon, possibly the most powerful supernatural satanist-demon in all of existence, who I deafeted in an insane brutal battle, between my life or my certain death. That same night I saw God, by His Grace, all glory and gratitude be to Him. The battle was pre-ordained for me by God Who was there as a witness and some more things.
The second one was against a less powerful dark-spirit, who was part of a deadly test pre-ordained for me by God, who attacked me brutally and fully and furiously, but failed to take my life, and some other things, over-might and over-strength were shown over the little spirit, until it in the end fled away.
The Quran rightfully tells the believers to believe in jinns (dark and light spirits) and angels and demons, since they exists, absolutely, by Truth, by it being the case, being reality.
But as I have done until this time, I will destroy any of them trying themselves on me, for I will not let myself and my soul lose to evil, but I shall rather triumph over it/them, in this life and the next, and God is with me, and verily, to Him I shall return , no matter what I have to do.