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.
Double-click to consume.
Rare
Transmutation
This warhorn will not display emblem if you are not representing this guild. Double-click to imbue another warhorn's stats into this appearance (one-time ability).
"description": "This warhorn will not display emblem if you are not representing this guild.<br>Double-click to imbue another warhorn's stats into this appearance (one-time ability).",