"Let there be light!"
When God uttered these words, that was when the Universe sprout into an existence. The light that pierced through darkness started the creation of life.
But this light also gave bith to the angels.
Beings that were made from pure fire and God's burning love.
These Holy beings was separated into 9 celestial realms
Seraphim
Cherubim
Thrones
Dominions
Virtues
Powers
Principalities
Archangels
Angels
These beings protect the universe from the threats of the devil, demons, and Lucifer.