to fight.

Daniel 10:13
However, the prince of the kingdom of Persia opposed me for twenty-one days. Then Michael, one of the chief princes, came to help me, for I had been left there with the kings of Persia.

Isaiah 37:36
Then the angel of the LORD went out and struck down 185, 000 men in the camp of the Assyrians. When the people got up the next morning, there were all the dead bodies!

Acts 12:23
Immediately, because Herod did not give glory to God, an angel of the Lord struck him down, and he was eaten by worms and died.

the prince of Grecia.

Daniel 7:6
Next, as I watched, another beast appeared. It was like a leopard, and on its back it had four wings like those of a bird. The beast also had four heads, and it was given authority to rule.

Daniel 8:5-8, 21
As I was contemplating all this, suddenly a goat with a prominent horn between his eyes came out of the west, crossing the surface of the entire earth without touching the ground. . . .

Daniel 11:2-4
Now then, I will tell you the truth: Three more kings will arise in Persia, and then a fourth, who will be far richer than the others. By the power of his wealth, he will stir up everyone against the kingdom of Greece. . . .