The skin unlocked by this item is required to complete the following achievements:
{"item_id": "83873", "name": "Harrier's Bounty Hunter's Mask", "type": "Armor", "level": "80", "rarity": "Exotic", "vendor_value": "330", "icon_file_id": "1223680", "icon_file_signature": "01BE50F3B11371241C3DCD972AF2CACE6F987470", "default_skin": "7550", "upgrade_recipes": [], "game_types": ["Wvw", "Dungeon", "Pve"], "flags": ["AccountBound", "SoulBindOnUse"], "restrictions": [], "details": {"type": "Helm", "weight_class": "Medium", "defense": "97", "infusion_slots": [], "infix_upgrade": {"id": 1363, "attributes": [{"attribute": "Power", "modifier": 60}, {"attribute": "Healing", "modifier": 43}, {"attribute": "BoonDuration", "modifier": 43}]}, "suffix_item_id": "", "secondary_suffix_item_id": ""}}