These are all reminiscent of the Wrathgate cinematic from Wrath of the Lich King in terms of their pacing and art direction, which is a good thing as far as I'm concerned. I loved the Wrathgate cinematic, and I really think the Battle at the Serpent's Heart cinematic goes a very long way toward showing you exactly what's happening in Pandaria and how the Alliance and Horde are stirring up trouble. They're all very well done.
It's open warfare between Alliance and Horde in Mists of Pandaria, World of Warcraft's next expansion. Jump into five new levels with new talents and class mechanics, try the new monk class, and create a pandaren character to ally with either Horde or Alliance. Look for expansion basics in our Mists FAQ, or dig into our spring press event coverage for more details!