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_canArtificialMorphMovement"
"h_canArtificialMorphPowerBomb"

Clears obstacles: A