It is possible to place a Power Bomb on the ledge above to kill the crab before going down and into the tunnel.

Entrance condition:

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

Requires:

"canCameraManip"
{
  "or": [
    "Morph",
    "h_artificialMorphSpringBall",
    {
      "and": [
        "canComplexGMode",
        "h_artificialMorphPowerBomb"
      ]
    },
    {
      "and": [
        "Gravity",
        "h_artificialMorphLongIBJ"
      ]
    },
    {
      "and": [
        "Gravity",
        "h_artificialMorphBombHorizontally"
      ]
    },
    {
      "and": [
        {
          "enemyDamage": {
            "enemy": "Sciser",
            "type": "contact",
            "hits": 1
          }
        },
        {
          "or": [
            "h_EverestMorphTunnelExpanded",
            {
              "enemyDamage": {
                "enemy": "Sciser",
                "type": "contact",
                "hits": 1
              }
            }
          ]
        }
      ]
    }
  ]
}