Note that it is possible to get up with Grapple alone by using the Powamps. Fling from the Powamp into the side of the top platform to align horizontally.

Entrance condition:

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

Requires:

"h_navigateUnderwater"
{
  "or": [
    {
      "and": [
        "Gravity",
        {
          "or": [
            "HiJump",
            "canSpringBallJumpMidAir",
            "SpaceJump",
            "canIBJ",
            "canGravityJump"
          ]
        }
      ]
    },
    {
      "and": [
        "canUseEnemies",
        "canPreciseGrapple"
      ]
    },
    {
      "and": [
        "HiJump",
        "canSpringBallJumpMidAir"
      ]
    }
  ]
}

Exit condition:

{
  "leaveWithGMode": {
    "morphed": false
  }
}