Open to choose an Olmakhan mantle.
Rewarded for completing the following achievements:
{"item_id": "87101", "name": "Olmakhan Mantle Box", "description": "Open to choose an Olmakhan mantle.", "type": "Container", "level": "0", "rarity": "Exotic", "vendor_value": "0", "icon_file_id": "1465541", "icon_file_signature": "789811FE130F2198F546B3E9A1E1B930720CD80C", "upgrade_recipes": [], "game_types": ["PvpLobby", "Wvw", "Dungeon", "Pve"], "flags": ["AccountBound", "DeleteWarning", "AccountBindOnUse"], "restrictions": [], "details": {"type": "Default"}}