Entrance condition:

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

Requires:

"h_canNavigateUnderwater"
{
  "or": [
    "canCarefulJump",
    "h_canCrouchJumpDownGrab",
    "HiJump",
    "Gravity",
    "canSpringBallJumpMidAir"
  ]
}
{
  "or": [
    "canCarefulJump",
    {
      "enemyDamage": {
        "enemy": "Evir",
        "type": "particle",
        "hits": 1
      }
    }
  ]
}