Entrance condition:

{
  "comeInShinecharged": {},
  "comesThroughToilet": "any"
}

Requires:

"Gravity"
"ScrewAttack"
"canShinechargeMovementTricky"
{
  "shineChargeFrames": 160
}
{
  "shinespark": {
    "frames": 6,
    "excessFrames": 0
  }
}

Exit condition:

{
  "leaveWithSpark": {}
}

Unlocks doors:

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