See also
Angel lore
Lawful good. Righteous, but not nice. Basically a military structure, with a strict hierarchy and use of military terms (for instance, referring to being “stationed on Earth.”)
According to Anna, only four angels have ever seen God. The rest have to go on faith, which they’re killed if they don’t have.
Angels are powered by grace, a divine energy that can be ripped out (painfully), causing the angel to fall. Grace creates. A fallen angel becomes a new human life.