Daniel 10:13
But the angel of the kingdom of Persia put himself against me for twenty-one days; but Michael, one of the chief angels, came to my help; and when I came he was still there with the angel of the kings of Persia.But the angel of the kingdom of Persia put himself against me for twenty-one days; but Michael, one of the chief angels, came to my help; and when I came he was still there with the angel of the kings of Persia.