This item is currently not available in the Guild Wars 2 API and you are seeing the last known version. The item has either been removed from the game or needs to be rediscovered.
Exotic
Gizmo
Contains rewards based on your world's performance in the previous WvW season. Requires a WvW Season One Reward Chest Key to unlock.
"description": "Contains rewards based on your world's performance in the previous WvW season.
<c=@flavor>Requires a WvW Season One Reward Chest Key to unlock.</c>",