{
    "name": "tunneler (feature)",
    "text": "The worm can burrow through solid rock at half its burrow speed and leaves a 10-foot-diameter tunnel in its wake.",
    "subfeatures": [
        {
            "trigger": [],
            "conditions": [],
            "effects": [{
                "target": "",
                "effect": [],
                "duration": ""
            }]
        }
    ]
}