The promo is only fifteen সেকেন্ড long, but includes extended shots of scenes from পূর্ববর্তি trailers, and most intriguingly, a new shot of Melisandre speaking to a dark-haired young man.
A hip-hop homage to the three Baratheon brothers from Game of Thrones and their claims to the Iron সিংহাসন of Westeros. The song takes place roughly between book/season one and two.