The skin unlocked by this item is required to complete the following achievements:
{"item_id": "63506", "name": "Priory's Historical Dagger", "type": "Weapon", "level": "30", "rarity": "Masterwork", "vendor_value": "4500", "icon_file_id": "534348", "icon_file_signature": "CAAECCBD0A30499E5933398080E4A05409AD2B2E", "default_skin": "4938", "upgrade_recipes": [], "game_types": ["Activity", "Wvw", "Dungeon", "Pve"], "flags": ["AccountBound", "NoMysticForge", "NoSalvage", "NoSell", "AccountBindOnUse"], "restrictions": [], "details": {"type": "Dagger", "damage_type": "Physical", "min_power": "287", "max_power": "304", "defense": "0", "infusion_slots": [], "infix_upgrade": {"id": 145, "attributes": [{"attribute": "Power", "modifier": 19}, {"attribute": "Healing", "modifier": 26}]}, "suffix_item_id": "24613", "secondary_suffix_item_id": ""}}
+1% Damage