3 Bible Verses about Angels, Important Events

This is he, who was with the church in the wilderness with the angel who spake to him in the mount Sinai, and with our fathers: who received the oracles of life to give unto us:

AND I saw an angel descending from heaven, having the key of the abyss [of hell], and a great chain in his hand: and he seized on the dragon, the old serpent, which is the devil and Satan, and bound him a thousand years, and cast him into the abyss, and shut him up, and put a seal upon it, that he might deceive the nations no more until the thousand years are completed: and after that he must be loosed a short time.

For the Lord himself shall descend from heaven with a shout, with the voice of the archangel, and with the trumpet of God; and the dead in Christ shall rise first: