The skin unlocked by this item is required to complete the following achievements:
{"item_id": "31401", "name": "Grandelame du Prieuré", "description": "", "type": "Weapon", "level": "80", "rarity": "Exotic", "vendor_value": "396", "icon_file_id": "534350", "icon_file_signature": "3FC4B014DE75D7030CB2C50A9F2B15DC490EF90D", "default_skin": "4976", "upgrade_recipes": [], "game_types": ["Pvp", "PvpLobby"], "flags": ["NoSell", "SoulbindOnAcquire", "SoulBindOnUse"], "restrictions": [], "details": {"type": "Greatsword", "damage_type": "Physical", "min_power": "995", "max_power": "1100", "defense": "0", "infusion_slots": [], "suffix_item_id": "", "secondary_suffix_item_id": ""}}