Requires:

"h_canNavigateUnderwater"
{
  "or": [
    "h_canUseSpringBall",
    "canMidAirMorph",
    {
      "and": [
        "Gravity",
        "canBombHorizontally"
      ]
    },
    {
      "and": [
        "Gravity",
        "canLongIBJ",
        "canJumpIntoIBJ"
      ]
    },
    {
      "and": [
        "Gravity",
        "canTrivialMidAirMorph",
        {
          "or": [
            "SpaceJump",
            "canUseFrozenEnemies"
          ]
        }
      ]
    },
    {
      "and": [
        "canTrivialMidAirMorph",
        "canDisableEquipment"
      ]
    }
  ]
}