Daniel 10:13

10:13 However, the prince of the kingdom of Persia was opposing me for twenty-one days. But Michael, one of the leading princes, came to help me, because I was left there with the kings of Persia.

Jude 1:9

1:9 But even when Michael the archangel was arguing with the devil and debating with him concerning Moses’ body, he did not dare to bring a slanderous judgment, but said, “May the Lord rebuke you!”

Revelation 12:7

War in Heaven

12:7 Then war broke out in heaven: Michael and his angels fought against the dragon, and the dragon and his angels fought back.