Entrance condition:

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

Requires:

"canSuitlessMaridia"
"canHorizontalMidairShinespark"
{
  "shineChargeFrames": 85
}
{
  "shinespark": {
    "frames": 83,
    "excessFrames": 13
  }
}

Dev note: Frames assume you land on the Grapple blocks before jumping and shinesparking.