Here are some articles about Angels and Demons from the Orthodox Christian Church perspective. If your browser states that any of these links are “dangerous” or “untrusted” note that they work just fine on my iPhone.
Hey everyone, Before i became a Christian, I was able to see demons and rarely angels. I went to a youth retreat, became a true Christian, and thought i wouldn't be able to see them anymore, which was good because they scared me so much. After the retreat i've been committing my life fully...
The most logical doctrine I've heard on it is that angels and demons made their choice at the beginning of the world, and cannot (or it is not in their nature to) rescind. They are not at all like humans, and the angels seem only to exist to do the will of God. The seraphim are praising Him in His presence, so therefore they must be sinless.
The remaining angels faithful to God "pass" the test and are able to find their end as God willed. This, in part, is why the choice of both angels & demons is an irrevocable one. Moreover, enmity between demons and men begins in earnest, and sin makes its entrance into Creation.
"The Unseen World" – The Story of Angels and Demons in Scripture ...
Fallen angels are what the name implies. Demons came from the Genesis giants, the Nephilim, who were the offspring of fallen angels and human women. When they were killed, since they were half human kind and half angel kind, they did not immediately go to the dark dungeons with everlasting chains Peter describes. They were left to roam the earth and have Satan as their leader. Unclean spirits ...