The Gathering Storm and Flame and Frost: The Razing, released in February and March 2013 respectively added guild missions, introduced a new progression system for Guild Wars 2’s WvW game mode, progressed the Flame and Frost living story narrative and introduced content that set up story elements for future living story narratives.
Guild missions introduced the ability for guilds to earn guild merits by engaging in bounties and group puzzles Guild leaders can use merits to unlock rewards for their guild. The new WvW progressions system introduced World XP and new WvW ranks, which can be used to unlock new titles and abilities exclusive to WvW. New WvW achievements were also introduced.