Gain a shinecharge running left to right through the open gate. Then turn back and quickly jump directly into the hidden passage to the bottom of the room, to spark out.

Requires:

{
  "obstaclesCleared": [
    "A"
  ]
}
{
  "canShineCharge": {
    "usedTiles": 15,
    "openEnd": 1
  }
}
"canShinechargeMovementTricky"
"canInsaneJump"
{
  "shinespark": {
    "frames": 8,
    "excessFrames": 0
  }
}

Exit condition:

{
  "leaveWithSpark": {}
}

Unlocks doors:

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