The Bible does not actually say simply, ‘The devil came from . . .’ and supply an answer. We first encounter Satan in the scripture in Genesis 3 when he appears in the form of a serpent as he tempts Eve to take of the “forbidden fruit” from the tree in the midst of the Garden. In this context we see something of his insidious nature, coming in the subtlety of the form of a snake. God has spoken clearly to Adam about the tree, before Eve was created. So the enemy doesn’t come to Adam, but to Eve. In the end, I think Adam’s culpability is the greater.
There are some passages of Scripture that help us, however, to answer the question of the origin of the enemy. Much like Psalm 22 is both the words of King David, and at the same time a prophetic utterance of the Words of Jesus from the cross, Isaiah 14, and Ezekiel 28 speak of a historical reality in the time they were written, but shed insight into a deeper spiritual reality. Ezekiel no doubt speaks of the King of Tyre, but he also seems to shed insight into the origin of Satan. Here is a beautiful angel, created by God, perhaps the most beautiful and even the most powerful of all the angels of heaven. Picking up in vs. 11 it is clear that Ezekiel declares a greater word than the origin of the King of Tyre. “You had the seal of perfection, Full of wisdom and perfect in beauty, You were in Eden, the garden of God.”
He was an ‘anointed cherub’, apparently assigned the responsibility of guarding the very glory of God. Then in v. 15, he was blameless in all his ways, UNTIL . . . In similar fashion, Isaiah 14 speaks of a historical reality of Isaiah’s day, and yet also opens a window into the origin of the enemy. He was the “star of the morning” (v. 12), but he became filled with a pride that wanted to be god.
Revelation describes for us a battle in the heavens, between God and Satan, between the God’s obedient angels and the demons that had been angels who followed Satan. “And there was war in heaven, Michael and his angels waging war with the dragon. The dragon and his angels waged war.” (v. 7). We are told that satan and his demons are thrown from heaven to the earth, and we are told that as many as a third of the angels of heaven were caught up in this rebellion and cast out.
So satan and all his demons were created angels. They were filled with pride and rebelled, but then cast aside. This powerful, beautiful angel, star of the morning, became Satan. The angels who had rebelled with satan, became demons. That, at least, is my understanding of what the Scriptures reveal.