The skin unlocked by this item is required to complete the following achievements:
{"item_id": "84406", "name": "Jambières de maréchale de la lance", "type": "Armor", "level": "80", "rarity": "Exotic", "vendor_value": "370", "icon_file_id": "1223681", "icon_file_signature": "6B9B18072CC91E09F86E3FD31175C155B733FB01", "default_skin": "7494", "upgrade_recipes": [], "game_types": ["Wvw", "Dungeon", "Pve"], "flags": ["AccountBound", "SoulBindOnUse"], "restrictions": [], "details": {"type": "Leggings", "weight_class": "Medium", "defense": "218", "infusion_slots": [], "infix_upgrade": {"id": 1364, "attributes": [{"attribute": "Power", "modifier": 77}, {"attribute": "Precision", "modifier": 42}, {"attribute": "Healing", "modifier": 77}, {"attribute": "ConditionDamage", "modifier": 42}]}, "suffix_item_id": "", "secondary_suffix_item_id": ""}}