The skin unlocked by this item is required to complete the following achievements:
{"item_id": "31980", "name": "Gefrorener Speer", "type": "Weapon", "level": "80", "rarity": "Exotic", "vendor_value": "396", "icon_file_id": "534171", "icon_file_signature": "C7B276DAD2E90D9FBC1E3C0F99EB31473DDF48F7", "default_skin": "3963", "upgrade_recipes": [], "game_types": ["Pvp", "PvpLobby"], "flags": ["NoSell", "SoulbindOnAcquire", "SoulBindOnUse"], "restrictions": [], "details": {"type": "Spear", "damage_type": "Physical", "min_power": "905", "max_power": "1000", "defense": "0", "infusion_slots": [], "suffix_item_id": "", "secondary_suffix_item_id": ""}}