The skin unlocked by this item is required to complete the following achievements:
{"item_id": "13622", "name": "Cor de guerre de Primordius berserker", "description": "", "type": "Weapon", "level": "80", "rarity": "Exotic", "vendor_value": "264", "icon_file_id": "534127", "icon_file_signature": "13E51AF1567A09060D2E0430FD00B37B69BC003E", "default_skin": "3884", "upgrade_recipes": [], "game_types": ["Activity", "Wvw", "Dungeon", "Pve"], "flags": ["SoulBindOnUse"], "restrictions": [], "details": {"type": "Warhorn", "damage_type": "Physical", "min_power": "814", "max_power": "900", "defense": "0", "infusion_slots": [], "infix_upgrade": {"id": 161, "attributes": [{"attribute": "Power", "modifier": 120}, {"attribute": "Precision", "modifier": 85}, {"attribute": "CritDamage", "modifier": 85}]}, "suffix_item_id": "", "secondary_suffix_item_id": ""}}