Dynasty Warriors 8 is coming to Japan on February 28 and Tecmo Koei promised over 70 characters including new warriors like Lu Xun and Guan Yunping.
Starting at the two minute mark you can see gameplay tweaks. The Variable Counter system lets you perform a counter attack and change weapons if an enemy’s weapon has an advantage over yours. Storm Rush lets players crush a general’s guard with a rapid series of attacks if the player’s weapon has an edge. Under certain conditions you can use the Awakening technique which boosts your general’s stats and unlocks the True Awakening Musou.
What’s the weapon affinity system? That’s another new feature in Dynasty Warriors 8. It’s essentially rock-paper-scissors where "heaven" weapons beat "people" class weapons. "People" weapons pierce "Earth" weapons and "Earth" weapons have an advantage over the "Heaven" affinity.