Entrance condition:

{
  "comeInWithGMode": {
    "mode": "any",
    "morphed": false
  }
}

Requires:

"Morph"
"h_navigateUnderwater"
{
  "or": [
    "Gravity",
    "HiJump",
    {
      "and": [
        "Grapple",
        "canUseEnemies"
      ]
    },
    {
      "and": [
        "canSpringBallJumpMidAir",
        {
          "or": [
            "canTrickyJump",
            "canSpringFling",
            "canStationaryLateralMidAirMorph",
            "canTrickyUseFrozenEnemies"
          ]
        }
      ]
    },
    {
      "and": [
        "canTrickyUseFrozenEnemies",
        "canTrickyJump"
      ]
    }
  ]
}