Entrance condition:

{
  "comeInWithSpark": {}
}

Requires:

{
  "or": [
    {
      "shinespark": {
        "frames": 24
      }
    },
    {
      "and": [
        "Gravity",
        {
          "shinespark": {
            "frames": 21
          }
        }
      ]
    }
  ]
}

Exit condition:

{
  "leaveWithSpark": {}
}