The skin unlocked by this item is required to complete the following achievements:
{"item_id": "17960", "name": "Lich-Tracht", "type": "Armor", "level": "80", "rarity": "Exotic", "vendor_value": "396", "icon_file_id": "61515", "icon_file_signature": "F6C068B7655D9CF62FCA5FD40D13B69D4E268025", "default_skin": "634", "upgrade_recipes": [], "game_types": ["Activity", "Wvw", "Dungeon", "Pve"], "flags": ["AccountBound", "NoSell", "SoulBindOnUse"], "restrictions": [], "details": {"type": "Coat", "weight_class": "Light", "defense": "314", "infusion_slots": [], "infix_upgrade": {"id": 158, "attributes": [{"attribute": "Power", "modifier": 96}, {"attribute": "Precision", "modifier": 96}, {"attribute": "Toughness", "modifier": 134}]}, "suffix_item_id": "24860", "secondary_suffix_item_id": ""}}