Required to complete the following achievements:
{"item_id": "39473", "name": "Ulgoth-Schweif", "description": "", "type": "Trinket", "level": "80", "rarity": "Exotic", "vendor_value": "330", "icon_file_id": "66896", "icon_file_signature": "F2B2A7B638C8789C01EAB5C1A657D42D3DB77BCF", "upgrade_recipes": [], "game_types": ["Activity", "Wvw", "Dungeon", "Pve"], "flags": ["HideSuffix", "SoulBindOnUse"], "restrictions": [], "details": {"type": "Accessory", "infusion_slots": [], "infix_upgrade": {"id": 157, "attributes": [{"attribute": "Power", "modifier": 75}, {"attribute": "Vitality", "modifier": 53}, {"attribute": "CritDamage", "modifier": 53}]}, "suffix_item_id": "24919", "secondary_suffix_item_id": ""}}