{
    "events": [
        {
            "id": "First_Serona",
            "base_chance": 2000.0,
            "per_not_rolled_additional_chance": 20.0,
            "cooldown": 0,
            "is_unique" : true,
            "priority":"higher",
            "requirements": {
                "minimum_week": 5,
                "dead_heroes": 0,
                "hero_level_counts": [ ],
                "upgrades_purchased": [ ],
                "trinket_storage_count": 0
            },
            "town_ambience_paramater_ids": [ ],
            "tone": "neutral",
            "sprite": "",
            "sprite_attachment": "",
            "data": [
                {
                    "type": "bonus_recruit",
                    "string_data": "Serona",
                    "number_data": 1.0
                }
            ]
        }
    ]
}