The skin unlocked by this item is required to complete the following achievements:
{"item_id": "31713", "name": "Albtraum-Klinge", "description": "", "type": "Weapon", "level": "80", "rarity": "Exotic", "vendor_value": "264", "icon_file_id": "455764", "icon_file_signature": "0D0B39B322EE4C020C0F98EAD4A964F9D37DF3CE", "default_skin": "4538", "upgrade_recipes": [], "game_types": ["Pvp", "PvpLobby"], "flags": ["NoSell", "SoulbindOnAcquire", "SoulBindOnUse"], "restrictions": [], "details": {"type": "Sword", "damage_type": "Physical", "min_power": "905", "max_power": "1000", "defense": "0", "infusion_slots": [], "suffix_item_id": "", "secondary_suffix_item_id": ""}}