Kill the Puyos in the right pit, jump in the pool multiple times while opening the gate and the door, then spark out the door.

Requires:

{
  "or": [
    {
      "ammo": {
        "type": "Super",
        "count": 1
      }
    },
    {
      "obstaclesCleared": [
        "A"
      ]
    }
  ]
}
{
  "useFlashSuit": {}
}
{
  "shinespark": {
    "frames": 22,
    "excessFrames": 0
  }
}

Exit condition:

{
  "leaveWithSpark": {}
}

Unlocks doors:

{"types":["ammo"],"requires":[]}