1. In 4x23 (season finale) the second shocking death of a main will be shown.
2. A female character will be diagnosed with cancer.
3. A vampire will be human again.
4. There is a chance Stefan ingests the cure.
5. Silas's real face will be shown.
6. Elena's humanity will be back on.
8. Season 5 is Delena.
9. 4x20 we will see only 15% of Mystic Falls, the other 85% will be exclusive about the Originals and their new show.
10. Season 5 will air probably in October.