The skin unlocked by this item is required to complete the following achievements:
{"item_id": "17946", "name": "Epaulières maudites", "type": "Armor", "level": "80", "rarity": "Exotic", "vendor_value": "291", "icon_file_id": "61609", "icon_file_signature": "47732EABA9B8B1CC79FD0129CFC24126039A7901", "default_skin": "642", "upgrade_recipes": [], "game_types": ["Activity", "Wvw", "Dungeon", "Pve"], "flags": ["AccountBound", "NoSell", "SoulBindOnUse"], "restrictions": [], "details": {"type": "Shoulders", "weight_class": "Medium", "defense": "97", "infusion_slots": [], "infix_upgrade": {"id": 158, "attributes": [{"attribute": "Power", "modifier": 32}, {"attribute": "Precision", "modifier": 32}, {"attribute": "Toughness", "modifier": 45}]}, "suffix_item_id": "24860", "secondary_suffix_item_id": ""}}