[Game website] In a new campaign named as “Final Fantasy Go There”, there will be several upcoming Final Fantasy titles making special appearances in their sister products. However, the main focus is on Final Fantasy XIV: A Realm Reborn and Lightning Returns: Final Fantasy XIII.
Through a special quest fighting alongside Lightning from Final Fantasy XIII, players of A Realm Reborn will be able to obtain special costumes and weapons based on the console game. Likewise, players of Final Fantasy XIII will be able to obtain a Miqo’te costume for Lightning.
Update: The new content from Final Fantasy XIII will be added into Final Fantasy XIV: A Realm Reborn on 14th November 2013, where Lightning will be part of a series of FATEs (open world events), together with monsters from the console game.