Run and jump onto the third single-tile platform, then jump over the Cacatac (or kill it). Fire a shot and activate the shinespark wind-up. Wait until the shot hits the door before sparking.

Entrance condition:

{
  "comeInShinecharged": {
    "framesRequired": 140
  }
}

Requires:

"canShinechargeMovementComplex"
{
  "or": [
    {
      "enemyDamage": {
        "enemy": "Cacatac",
        "type": "spike",
        "hits": 1
      }
    },
    {
      "enemyKill": {
        "enemies": [
          [
            "Cacatac"
          ]
        ],
        "explicitWeapons": [
          "Missile",
          "Super",
          "Wave",
          "Spazer",
          "Plasma"
        ]
      }
    }
  ]
}
{
  "shinespark": {
    "frames": 24
  }
}

Exit condition:

{
  "leaveWithSpark": {}
}

Unlocks doors:

{"types":["super"],"requires":[]}
{"types":["missiles","powerbomb"],"requires":["never"]}