This item is currently not available in the Guild Wars 2 Api and you are seeing the last know version. The item has either been removed from the game or needs to be rediscovered.
History Data {"item_id": "20338",
"name": "Ice Elemental Tonic",
"description": "Double-click to drink, transforming you into an elemental for fifteen minutes. You will be unable to fight while transformed.",
"type": "Consumable",
"level": "0",
"rarity": "Basic",
"vendor_value": "0",
"icon_file_id": "63129",
"icon_file_signature": "C6A3FFF06BB4D50050D3B1FE75E3AACBFA0F8009",
"upgrade_recipes": [],
"game_types":
["PvpLobby", "Wvw", "Dungeon", "Pve"
], "flags":
["AccountBound", "NoSell", "NoUnderwater", "AccountBindOnUse", "Tonic"
], "restrictions": [],
"details":
{"type": "Generic"
} }