The skin unlocked by this item is required to complete the following achievements:
{"item_id": "17381", "name": "Ropajes de la Corte de la Pesadilla", "type": "Armor", "level": "80", "rarity": "Exotic", "vendor_value": "330", "icon_file_id": "61475", "icon_file_signature": "3FC9C0679BE565140BD0230F5512221598C8EB76", "default_skin": "688", "upgrade_recipes": [], "game_types": ["Activity", "Wvw", "Dungeon", "Pve"], "flags": ["HideSuffix", "AccountBound", "NoSell", "SoulBindOnUse"], "restrictions": [], "details": {"type": "Helm", "weight_class": "Light", "defense": "73", "infusion_slots": [], "infix_upgrade": {"id": 154, "attributes": [{"attribute": "Precision", "modifier": 43}, {"attribute": "Toughness", "modifier": 43}, {"attribute": "ConditionDamage", "modifier": 60}]}, "suffix_item_id": "24848", "secondary_suffix_item_id": ""}}