Answer:
Though I should be unique, you've made most of us the same. I would be stronger, if my characters were stranger.
What can you never get rid of when you lose it?
The eight of us go forth not back to protect our king from a foes attack.
Sends paper without using the post office.
Mostly worn by women or girls, this is sometimes shiny like silver or gold, and sometimes it is made of pearls.
Almost everyone needs it, asks for it, gives it. But almost nobody takes it.