Bounce from the right peak into the morph tunnel. Samus can't bounce twice in a single fall, so start from the right ground, not the raised scaffolding by the door. A Power Bomb can be placed on the descent to kill the Crab.

Entrance condition:

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

Requires:

"canComplexGMode"
"canSuitlessMaridia"
{
  "or": [
    "h_EverestMorphTunnelExpanded",
    "h_artificialMorphPowerBomb",
    {
      "enemyDamage": {
        "enemy": "Sciser",
        "type": "contact",
        "hits": 1
      }
    }
  ]
}