Death Qualities

Angels and Demons Deathqualities
To kill angels, you must have their wings showing. If their wings are showing, damage their bodies. When their bodies are damage, rip off their wings. Note: It's not proven true, besides in this story. To kill demons, you must have them in their real form. (their real bodies showing not sprites or shadows) If they're in their real form, damage their with something holy. (holy water etc.)  When their bodies are damaged, dig a holy blessed bade into their hearts. Note it's not proven true, besides in this story.

Demon Angel and Angel Demons
Demon Angels can only be killed by an Angel Demon. Angel Demons can only be killed by a Demon Angel.