Required to complete the following achievements:
{"item_id": "83892", "name": "Pierre de silence", "type": "Trinket", "level": "80", "rarity": "Exotic", "vendor_value": "396", "icon_file_id": "1765792", "icon_file_signature": "EB1BA5049F66B299C07E15F7C2D0D21ACA69F868", "upgrade_recipes": [], "game_types": ["Wvw", "Dungeon", "Pve"], "flags": ["HideSuffix", "NoSell", "SoulbindOnAcquire", "Unique", "SoulBindOnUse"], "restrictions": [], "details": {"type": "Ring", "infusion_slots": [], "infix_upgrade": {"id": 1364, "attributes": [{"attribute": "Power", "modifier": 77}, {"attribute": "Precision", "modifier": 42}, {"attribute": "Healing", "modifier": 77}, {"attribute": "ConditionDamage", "modifier": 42}]}, "suffix_item_id": "84581", "secondary_suffix_item_id": ""}}