Perform a soft unmorph and run toward the door (shooting it open if needed). If needing to spark out the bottom of the doorway, then stop on a dime at the bottom of the runway before activating the spark; this requires precise movement, as there is barely enough time to make it.

Requires:

{
  "canShineCharge": {
    "usedTiles": 25,
    "openEnd": 1,
    "steepUpTiles": 3,
    "steepDownTiles": 3
  }
}
"Morph"
"canShinechargeMovementTricky"
"canInsaneJump"
{
  "shinespark": {
    "frames": 6,
    "excessFrames": 0
  }
}

Exit condition:

{
  "leaveWithSpark": {}
}

Unlocks doors:

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