Hebrews 1:7
And as to the angels he says, Who makes his angels spirits and his ministers a flame of fire;
Psalm 104:4
Who maketh his angels spirits; his ministers a flame of fire.
2 Kings 2:11
And it came to pass as they went on, and talked, that behold, a chariot of fire and horses of fire; and they parted them both asunder; and Elijah went up by a whirlwind into the heavens.
2 Kings 6:17
And Elisha prayed and said, Jehovah, I pray thee, open his eyes that he may see. And Jehovah opened the eyes of the young man, and he saw; and, behold, the mountain was full of horses and chariots of fire round about Elisha.
Isaiah 6:2
Seraphim were standing above him: each had six wings; with twain he covered his face, and with twain he covered his feet, and with twain he flew.
Ezekiel 1:13-14
And as for the likeness of the living creatures, their appearance was like burning coals of fire, as the appearance of torches: it went up and down among the living creatures; and the fire was bright; and out of the fire went forth lightning.
Daniel 7:10
A stream of fire issued and came forth from before him; thousand thousands ministered unto him, and ten thousand times ten thousand stood before him: the judgment was set, and the books were opened.
Zechariah 6:5
And the angel answered and said unto me, These are the four spirits of the heavens, which go forth from standing before the Lord of all the earth.
Hebrews 1:14
Are they not all ministering spirits, sent out for service on account of those who shall inherit salvation?