True Blood - Season 4 Episode 12 - Season Finale Promo

The promo for Season 4's season finale of True Blood has leaked a week early. Spoilers ahead, especially considering Sunday's episode hasn't even aired yet. Who is in the cloak? Who is returning? More importantly..which characters are biting the dust?

And When I Die Promo:
http://www.youtube.com/v/vuEsAuirGgY?version=3