Requires:

"Morph"
{
  "or": [
    {
      "and": [
        "Gravity",
        {
          "or": [
            "HiJump",
            "canWallJump",
            "canSpeedyJump",
            "SpaceJump",
            "canSpringBallJumpMidAir",
            "canSpringBallBombJump",
            "canGravityJump",
            {
              "and": [
                "h_crouchJumpDownGrab",
                "canTrickyJump"
              ]
            }
          ]
        }
      ]
    },
    {
      "and": [
        "canSuitlessMaridia",
        {
          "or": [
            "canTrickyUseFrozenEnemies",
            {
              "and": [
                "HiJump",
                "canSpringBallJumpMidAir"
              ]
            },
            "canUnderwaterWallJump"
          ]
        }
      ]
    }
  ]
}

Dev note: The canCrouchJump is not a h_underwaterCrouchJump, because Gravity is required.