This is my contribution to WoW Insider's Community Blog Topic: Pitch your World of Warcraft expansion.
The open war between alliance and horde was finally over following Mists of Pandaria.
Both factions had traveled to Old Draenor to deal with the Iron Horde.
Back on Azeroth, Wrathion had learned about a titan artifact that could be of great help in the fight against the Burning Legion. This story was told in World of Warcraft: Titan (7.0).