The skin unlocked by this item is required to complete the following achievements:
{"item_id": "35937", "name": "Ascalonian Sentry Shoulderguards", "type": "Armor", "level": "80", "rarity": "Exotic", "vendor_value": "291", "icon_file_id": "61439", "icon_file_signature": "7210E8960327D1B90F5D55111B6EE0F8953BB29F", "default_skin": "617", "upgrade_recipes": [], "game_types": ["Activity", "Wvw", "Dungeon", "Pve"], "flags": ["AccountBound", "NoSell", "SoulBindOnUse"], "restrictions": [], "details": {"type": "Shoulders", "weight_class": "Medium", "defense": "97", "infusion_slots": [], "infix_upgrade": {"id": 156, "attributes": [{"attribute": "Precision", "modifier": 32}, {"attribute": "Vitality", "modifier": 32}, {"attribute": "Healing", "modifier": 45}]}, "suffix_item_id": "24842", "secondary_suffix_item_id": ""}}