{
    "name": "iron scent (feature)",
    "text": "The rust monster can pinpoint, by scent, the location of ferrous metal within 30 feet of it.",
    "subfeatures": [
        {
            "trigger": [],
            "conditions": [],
            "effects": [{
                "target": "",
                "effect": [],
                "duration": ""
            }]
        }
    ]
}