Blizzard blogs "engine evolution" in Warlords of Draenor expansion

Related Games:
World of Warcraft, World of Warcraft: the Burning Crusade, World of WarCraft: Wrath of the Lich King, World of WarCraft: Cataclysm, World of Warcraft: Mists of Pandaria, World of Warcraft: Warlords of Draenor
Source:
Battle.net