To save a bomb, it is possible but difficult to roll from the doorway onto the platform with Gravity turned off. This requires backing up slightly after entering the room then quickly rolling before the crabs. It is a bit tighter in direct G-Mode.

Entrance condition:

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

Requires:

{
  "or": [
    "Morph",
    "h_canArtificialMorphSpringBall",
    {
      "and": [
        "Gravity",
        "h_canArtificialMorphIBJ"
      ]
    },
    {
      "and": [
        "Gravity",
        "h_canArtificialMorphBombHorizontally",
        {
          "or": [
            "h_canArtificialMorphBombThings",
            "canTrickyJump",
            {
              "enemyDamage": {
                "enemy": "Sciser",
                "type": "contact",
                "hits": 1
              }
            }
          ]
        }
      ]
    }
  ]
}

Exit condition:

{
  "leaveWithGMode": {
    "morphed": true
  }
}