User blog comment:EmpyreanSmoke/Supernatural Q&A/@comment-3976024-20150924192716/@comment-24834479-20150925000042

1. Yes.

2. The power an graceless angel has might depend on its rank, but it is more likely that it depends on how little grace it has left.

3. That is definitely a possibility.

4. It remains in the body, but not in control.

5. She started the virus/form of corruption that made them what they are.

6. I believe her essence was sent back to Purgatory.

7. All of them are sent back.

8. Yes, there is a different origin for these demons.

9. Death still has access to Heaven; only the Angels couldn't teleport there without their wings.

10. I believe it was just a myth.