The Flame and Frost:
Retribution update released in April 2013 introduced a new limited availability dungeon, new guild missions, added new WvW abilities and added new purchasable siege weapons and guild banners for WvW play. The new dungeon, Molten Weapons Facility, coincided with the final portion of the Flame and Frost living story narrative and was only available for thirteen days.The new WvW abilities allow players to become more proficient in using the arrow cart in WvW play and allows players to progress through five new levels of the Guild Killer ability line.
Introduced in May 2013, the next content update for Guild Wars 2 began a new living story narrative called The Secret of Southsun, which would continue later in the month with a smaller update titled Last Stand at Southsun. In addition to the new living story content, the update introduced another large set of changes to WvW, including the ability for players to set traps in WvW battlegrounds, improvements to the World XP system, improved rewards and new abilities, improvements to the matchup system and the ability for players to use special Ascended and infused equipment in WvW play