The skin unlocked by this item is required to complete the following achievements:
{"item_id": "18594", "name": "Nightmare Court Footwraps", "type": "Armor", "level": "80", "rarity": "Exotic", "vendor_value": "264", "icon_file_id": "61472", "icon_file_signature": "F0A638FAB1B15AFC175A55B30405CE027EA8CCB4", "default_skin": "687", "upgrade_recipes": [], "game_types": ["Activity", "Wvw", "Dungeon", "Pve"], "flags": ["HideSuffix", "AccountBound", "NoSell", "SoulBindOnUse"], "restrictions": [], "details": {"type": "Boots", "weight_class": "Light", "defense": "133", "infusion_slots": [], "infix_upgrade": {"id": 159, "attributes": [{"attribute": "Power", "modifier": 32}, {"attribute": "Precision", "modifier": 45}, {"attribute": "ConditionDamage", "modifier": 32}]}, "suffix_item_id": "24848", "secondary_suffix_item_id": ""}}