Entrance condition:

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

Requires:

"Morph",
"h_navigateUnderwater",
{"or": [
  "canGravityJump",
  {"and": [
    "Gravity",
    "HiJump",
    {"or": [
      "canSpringBallJumpMidAir",
      "canWallJump"
    ]}
  ]},
  {"and": [
    "canTrickyUseFrozenEnemies",
    "HiJump",
    "h_underwaterCrouchJumpDownGrab"
  ]},
  {"and": [
    {"ammo": {"type": "Super", "count": 1}},
    "canTrickyUseFrozenEnemies",
    "canOffScreenMovement"
  ]},
  {"and": [
    "canTrickyJump",
    "canSpringBallJumpMidAir",
    "canTrickyUseFrozenEnemies",
    "canOffScreenMovement"
  ]}
]}