Place a Power Bomb while on the top single tile platform, then exit g-mode before the Power Bomb explodes in order to break the blocks above.

Entrance condition:

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

Requires:

"h_canArtificialMorphPowerBomb"
{
  "or": [
    "h_canArtificialMorphIBJ",
    {
      "and": [
        "h_canArtificialMorphSpringBall",
        "HiJump"
      ]
    },
    {
      "and": [
        "h_canArtificialMorphSpringBall",
        "canSpringBallBombJump",
        {
          "ammo": {
            "type": "PowerBomb",
            "count": 6
          }
        }
      ]
    }
  ]
}

Clears obstacles: A