Enter on the right side of the doorway to be able to get up out of the water and onto the top platform.

Entrance condition:

{
  "comeInWithSpark": {},
  "comesThroughToilet": "no"
}

Requires:

{
  "shinespark": {
    "frames": 25,
    "excessFrames": 6
  }
}
{
  "or": [
    "canMidAirMorph",
    "h_useSpringBall",
    "h_bombThings"
  ]
}